Obama Protection 5

US President Barack Obama greets supporters during a town hall meeting March 19, 2009 at the Miguel Contreras Learning Complex 2009 in Los Angeles. AFP/Getty Images

LOS ANGELES, CA - MARCH 19: President Barack Obama greets people at his town hall style meeting at the Miguel Contreras Learning Complex during his first visit to southern California as president on March 19, 2009 in Los Angeles, California. His two-day visit to the region will also include stops for a town hall meeting in Costa Mesa, a tour of the Edison International Vehicle Electrics Plant in Pomona, and an appearance on the Tonight Show with Jay Leno. Getty Images

U.S. President Barack Obama shakes hands with supporters at a town hall meeting at the Miguel Contreas Learning Complex in Los Angeles, California, March 19, 2009. REUTERS

People take part in the pledge of allegiance while U.S. President Barack Obama attends a town hall meeting at the Miguel Contreas Learning Complex in Los Angeles, California, March 19, 2009. REUTERS [Secret Service agent at right.]

President Barack Obama arrives at a town hall meeting at the Miguel Contreras Learning Complex in Los Angeles, Thursday, March 19, 2009. Photo by AP

US President Barack Obama(L) tours the garage of the Edison Electric Vehicle Technical Center in Pomona, California March 19, 2009. AFP/Getty Images

WASHINGTON - MARCH 19: Veterans of the wars in Iraq and Afghanistan protest outside the White House March 19, 2009 in Washington, DC. The veterans protested against "President Obama's deceptions about his foreign policy," and to mark the sixth anniversary of the Iraq war. Getty Images

WASHINGTON - MARCH 19: Student Timothy Lowery (3rd-R) reacts as U.S. first lady Michelle Obama (L) enters the room during her visit to Anacostia High School March 19, 2009 in Washington, DC. The first lady had a roundtable discussion with students at the school to mark the Women?s History Month. Getty Images

US President Barack Obama greets supporters after speaking March 18, 2009 during a town hall meeting at the Orange County Fair and Event Center in Costa Mesa, California. Obama is in California for a two-day visit. AFP/Getty Images

US President Barack Obama walks with Senior Advisor David Axelrod March 18, 2009 after holding a town hall meeting at the Orange County Fair and Event Center in Costa Mesa, California. Obama is in California for a two-day visit. AFP/Getty Images

LOS ANGELES, CA - MARCH 18: President Barack Obama takes questions from the public at his town hall style meeting at the Orange County Fair and Event Center, the first stop on his first visit to southern California as president on March 18, 2009 in Costa Mesa, California. His two-day visit to the region will also include stops for a town meeting at the Miguel Contreras Learning Complex, near downtown Los Angeles, a tour of the Edison International Vehicle Electrics Plant in Pomona, California, and will appear on the Tonight Show with Jay Leno. Getty Images

WASHINGTON - MARCH 18: U.S. President Barack Obama is joined by (L-R) Chair of the Council of Economic Advisers Christine Romer, U.S. Treasury Secretary Timothy Geithner, and Director of the White House's National Economic Council Lawrence Summers as he speaks prior to departing the White House March 18, 2009 in Washington, DC. Obama spoke primarily about the growing pressure resulting from the payout of bonuses at AIG and also expressed continued confidence in Geithner's role as Treasury Secretary. Getty Images

President Barack Obama and Irish Prime Minister Brian Cowen, accompanied by Rep. Richard Neal, D-Mass., and House Speaker Nancy Pelosi of Calif., walk down the steps of the Capitol in Washington, Tuesday, March 17, 2009, after attending a St. Patrick's Day luncheon. Photo by AP

President Barack Obama waves to attendees after visiting the the White House Recovery and Reinvestment Act Implementation Conference, Thursday, March 12, 2009, in the Eisenhower Executive Office Building on the White House campus in Washington. Photo by AP

First lady Michelle Obama and U.S. Air Force Col. John W. McDonald, commander, 43rd Airlift
Wing, walk to greet members of the Air Force upon her arrival at Pope Air Force Base, N.C.,
March 12, 2009. (U.S. Air Force photo by Michael Murchison/Released)

First Lady Michelle Obama makes a surprise visit to the Iron Mike Dining Facility at Ft. Bragg and greets military
personnel Thursday, March 12, 2009. White House Photos by Joyce N. Boghosian

Mrs. Obama visits Interior, 2/9/09. White House photo.

President Barack Obama turns to wave to the crowd before leaving the room after speaking about education at the 19th Annual Legislative Conference of the United States Hispanic Chamber of Commerce in Washington, Tuesday, March 10, 2009. Photo by AP

U.S. President Barack Obama (L) and first lady Michelle Obama walk on the South Lawn of the White House while departing for the presidential retreat in Maryland, March 7, 2009. REUTERS

Secret Service Emergency Response Team officers patrol the South Lawn of the White House prior to President Barack Obama leaving, Friday, March 6, 2009, for a day trip to Columbus, Ohio.Photo by AP

U.S. Secret Service agents walk past a play set constructed for the daughters of U.S. President Barack Obama on the South Lawn near the Oval Office of the White House in Washington, DC, March 6, 2009. REUTERS

U.S. President Barack Obama's limousine, referred to as "The Beast", is parked in front of the South Portico after Obama returned to the White House in Washington, March 6, 2009. REUTERS

President Barack Obama walks with his daughter Malia on the South Driveway of the White House in Washington, Friday, March 6, 2009, before getting into the presidential limousine for a parent teacher conference at Sidwell Friends School in Bethesda, Md., where his other daughter Sasha, not pictured, attends. Photo by AP

President Barack Obama, accompanied by Secret Service agents, waves to a crowd gathered outside Sidwell Friends School in Bethesda, Md., where his daughter Sasha attends, after a parent teacher meeting, Friday, March 6, 2009. Photo by AP

U.S. first lady Michelle Obama is surrounded by Secret Service agents as she speaks to a man after serving food at Miriam's Kitchen in Washington, March 5, 2009. The kitchen provides meals, case management and housing support to nearly 250 homeless men and women in the city. REUTERS

Secret Service agents stand watch on the roof of Sidwell Friends School in Bethesda, Md., Friday, March 6, 2009, where President Barack Obama and first lady Michelle Obama are having a parent teacher meeting regarding their daughter Sasha. Photo by AP

A Secret Service agent stands watch at the Sidwell Friends School in Bethesda, Md., Friday, March 6, 2009, where President Barack Obama and first lady Michelle Obama are having a parent teacher meeting regarding their daughter Sasha. Photo by AP

President Obama talking with members of the Ohio Congressional delegation aboard Air Force One on Friday during a trip to Ohio. Senior advisers, including Attorney General Eric H. Holder Jr. and Valerie Jarrett accompanied the president. Stephen Crowley/The New York Times

The White House always travels with the president. When President Obama flew to Columbus, Ohio, on Friday morning -- a visit typical of the trips he has taken during the opening weeks of his administration -- the essential pieces of the West Wing follow. Stephen Crowley/The New York Times

President Obama boarding Air Force One. A Marine officer carried the "football," a briefcase that holds nuclear launch codes. Stephen Crowley/The New York Times

President Barack Obama boards Air Force One to depart Columbus, Ohio, Friday, March 6, 2009. Photo by AP

President Obama greeting John A. Boccieri, a Democratic Congressman from Ohio. Stephen Crowley/The New York Times

President Obama arriving in Columbus, Ohio, where he would address the city's police recruits. Stephen Crowley/The New York Times

New York Times hardcopy, 8 March 2009.

President Obama gave a tour of Air Force One to Ohio Representative Zack Space and Senator Sherrod Brown. Stephen Crowley/The New York Times

After President Obama addressed the recruiting class, he met with Columbus Mayor Mike Coleman. Stephen Crowley/The New York Times

New York Times hardcopy, 8 March 2009.

Answering questions during an interview in the plane's conference room. Stephen Crowley/The New York Times

Connecting with the rest of the administration. Stephen Crowley/The New York Times

President Obama leaving his private quarters on Air Force One. Stephen Crowley/The New York Times [Secret Service agent in back.]

White House Press Secretary Robert Gibbs and and Mr. Axelrod in the conference room on Air Force One. Mr. Gibbs scanned the morning papers and later met with the traveling press corps. Stephen Crowley/The New York Times

President Barack Obama's friend, Martin Nesbitt, steps out of the President's SUV as they return to the White House, Saturday, Feb. 28, 2009, in Washington. Obama played basketball with friends and staff members at the gym at the Dept. of Interior. Photo by AP

U.S. Secret Service agents stand watch as President Barack Obama greets patrons as he stops by a market in Ottawa, Canada, Thursday, Feb. 19, 2009. AP Photo by Charles Dharapak

President Barack Obama, accompanied by U.S. Secret Service agents, greets workers after speaking about the economy during a visit to the Caterpillar plant in East Peoria, Ill., Thursday, Feb. 12, 2009. AP Photo by Charles Dharapak

A Secret Service agent stands watch as President Barack Obama greets audience members at a town hall style meeting about the economic stimulus package, Monday, Feb. 9, 2009, at Concord Community High School in Elkhart, Ind. AP Photo by Charles Dharapak

The new armored presidential limousine, which was debuted as part of the 56th Presidential Inauguration, is parked in front of the previous generation presidential limousine in a garage in the Secret Service headquarters in Washington February 5, 2009. REUTERS

U.S. President Barack Obama and first lady Michelle Obama walk with secret service agents in the snow-covered grounds of the Sidwell Friends school in Bethesda, Maryland, January 29, 2009, where their younger daughter Sasha attends school. Reuters

A Uniform Secret Service Emergency Response Team officer watches his security dog play in the light snow that covered the White House grounds in Washington, Tuesday, Jan. 27, 2009. AP Photo by Ron Edmonds

While President Barack Obama was on Capitol Hill meeting with Republicans a Uniformed Secret Service Emergency Response Team officer lets his security dog get some exercise and play in the light snow that covered the White House grounds in Washington, Tuesday, Jan. 27, 2009. AP Photo by Ron Edmonds

WASHINGTON - JANUARY 18: A member of the Secret Service stands watch from atop the Lincoln Memorial as a U.S. Airways airliner flies past on its approach to Reagan National Airport during "We Are One: The Obama Inaugural Celebration At The Lincoln Memorial" January 18, 2009 in Washington, DC. The event includes a diverse array of talent featuring both musical performances and historical readings and an appearance by U.S. President-elect Barack Obama. Getty Images

U.S. Secret Service snipers stand on the roof of a house where U.S. President-elect Barack Obama is having dinner in Chevy Chase, Maryland, January 13, 2009. REUTERS

A US Secret Service agent (R) scans the vicinity surrounding the White House in Washington, DC. on December 2, 2008 just a few minutes before US PResident George W. Bush returned from North Carolina. AFP/Getty Images

United States Secret Service agents watch as U.S. President-elect Barack Obama's motorcade arrives at his home in Chicago, Illinois November 22, 2008. REUTERS

Secret Service agents enter a gym where US President-elect Illinois Senator Barack Obama works out November 6, 2008 in Chicago, Illinois. AFP/Getty Images

US Democratic presidential nominee Senator Barack Obama (D-IL) walks around the neighborhood with a secret service agent (L) after visiting his ailing grandmother in Honolulu, Hawaii October 24, 2008. REUTERS