U.S. President Barack Obama and senior White House advisor Valerie Jarrett walk together after Obama held a town hall meeting held at Fox Senior High School in Arnold, Missouri, April 29, 2009. Today is Obama's 100th day in office. Reuters

US President Barack Obama, followed by a member of the US Secret Service, walks to Marine One after holding a town hall meeting at Fox Senior High School in Arnold, Missouri, April 29, 2009. Obama marks his 100th day in office by traveling to the nation's heartland, before holding a prime time press conference at the White House tonight. Getty

US President Barack Obama(L) speaks during a town hall meeting at Fox Senior High School in Arnold, Missouri, April 29, 2009. Obama marked his 100th day in office Wednesday with a trip to the US heartland ahead of a prime-time press conference to reflect on the turbulent start of a presidency most Americans see as a success. Getty

US President Barack Obama greets guests after speaking during a town hall meeting at Fox Senior High School in Arnold, Missouri, April 29, 2009. Obama marks his 100th day in office by traveling to the nation's heartland, before holding a prime time press conference at the White House tonight. Getty

President Barack Obama greets the crowd at FBI headquarters in Washington, Tuesday, April 28, 2009, after speaking to FBI employees. AP

President Barack Obama, center right, walks with Air Force Col. Steven Harrison, 89th Airlift Wing Commander, after returning to Andrews Air Force Base, Md. , Wednesday, April 29, 2009. AP

A Secret Service agent keeps watch as U.S. President Barack Obama arrives to speak at FBI headquarters in Washington April 28, 2009. Ascending the steps is FBI director Robert Mueller. Reuters

President Barack Obama greets the crowd after delivering remarks to FBI employees at FBI headquarters in Washington, Tuesday, April 28, 2009.

A Secret Service agent keeps watch as U.S. President Barack Obama speaks at FBI headquarters in Washington April 28, 2009. Reuters

FBI Director Robert Mueller, center, amid Secret Service agents, listens as President Barack Obama speaks to FBI employees at FBI headquarters in Washington, Tuesday, April 28, 2009. AP

Hundreds of Bureau employees gathered to hear the President's speech and greet him afterward. FBI [April 28, 2009]

The President thanks the men and women of the FBI for helping to keep the nation safe. FBI [April 28, 2009]

US President Barack Obama arrives to speak to the National Academy of Sciences annual meeting in Washington, DC, April 27, 2009. Getty

With the Director Mueller leading the way, President Obama enters the FBI courtyard to a cheering crowd. FBI [April 28, 2009]

US President Barack Obama (L) puts on his golf shoes as he arrives at The Courses golf course at Andrews Air Force Base, MD, April 26, 2009. Getty

U.S. President Barack Obama arrives for a round of golf at Andrews Air Force Base in Maryland, April 26, 2009. Picture taken through glass. Reuters [Secret Service Joe Clancy behind.]

U.S. President Barack Obama (C) arrives for a round of golf at Andrews Air Force Base in Maryland, April 26, 2009. Picture taken through glass. Reuters

President Barack Obama, center, arrives to golf, Sunday, April 26, 2009, at Andrews Air Force Base, Md. AP

U.S. President Barack Obama arrives for a round of golf at Andrews Air Force Base in Maryland, April 26, 2009. Reuters

President Barack Obama, center, arrives to golf at Andrews Air Force Base, Md. , Sunday, April 26, 2009. Walking with him at left is Mike Thomas, general manger of the base golf courses, and at right is Air Force Col. Steven Shepro, Andrews Air Fore Base Commander and 316th Wing Commander.

US Secret Service police stand guard on the North Lawn of the White House as it was momentarily locked down April 24, 2009. A single-engine plane briefly entered restricted airspace over the US capital on Friday, prompting a security alert at the White House and Congress before the pilot was escorted to a local airport, the US military said. "The president was briefly located out of an abundance of caution, as was the vice president," said White House Spokesman Robert Gibbs, adding it was the first time in the Obama presidency he had heard of such precautions being taken. Getty

US Secret Service police stand guard on the North Lawn of the White House as it was momentarily locked down April 24, 2009. A single-engine plane briefly entered restricted airspace over the US capital on Friday, prompting a security alert at the White House and Congress before the pilot was escorted to a local airport, the US military said. "The president was briefly located out of an abundance of caution, as was the vice president," said White House Spokesman Robert Gibbs, adding it was the first time in the Obama presidency he had heard of such precautions being taken. Getty

President Barack Obama and White House staff members prepare to leave Des Moines Airport April 22, 2009, following a visit to Newton, Iowa. Official White House Photo by Pete Souza

Crowd awaiting Obama at Des Moines.

US President Barack Obama, surrounded by members of the US Secret Service and staff members, walks back to pose with employees after speaking regarding energy policy and Earth Day at the Trinity Structural Towers manufacturing plant in Newton, Iowa, April 22, 2009. The green facility builds towers for wind energy production on the site of a former Maytag plant in the community east of Des Moines. Getty

US President Barack Obama speaks with employee Jaison Jackson during a tour of Trinity Structural Towers manufacturing plant in Newton, Iowa, April 22, 2009. The green facility builds towers for wind energy production on the site of a former Maytag plant in the community east of Des Moines. Getty

US President Barack Obama speaks with factory superintendent Larry Freeman (R), Maintenance manager Richard Mulbrook (L), Trinity Senior Vice President Mark Stiles (2nd R) and plant manager William Jones (2nd L) during a tour of Trinity Structural Towers manufacturing plant in Newton, Iowa, April 22, 2009. The green facility builds towers for wind energy production on the site of a former Maytag plant in the community east of Des Moines. Getty

US President Barack Obama speaks with factory superintendent Larry Freeman (R), Maintenance manager Richard Mulbrook (L) and Trinity Senior Vice President Mark Stiles (2nd R) during a tour of Trinity Structural Towers manufacturing plant in Newton, Iowa, April 22, 2009. The green facility builds towers for wind energy production on the site of a former Maytag plant in the community east of Des Moines. Getty

NEWTON, IA - APRIL 22: President Barack Obama addresses workers at Trinity Structural Towers on April 22, 2009 in Newton, Iowa. The President used Earth Day to announce plans to expand renewable energy resources such as wind and water power during the stop over at Trinity, a windmill tower manufacturing plant. Getty

Members of the US Secret Service stand guard as US President Barack Obama, former US President Bill Clinton and US Vice President Joe Biden help plant trees as part of a service project at the Kenilworth Aquatic Gardens in Washington, DC, after Obama earlier signed the Edward M. Kennedy Serve America Act, on April 21, 2009.

U.S. Secret Service agents stand watch as President Barack Obama walks with two shovels as he gets ready to plant a tree while participating in a national service project at Kenilworth Aquatic Garden in Washington, Tuesday, April 21, 2009. AP

WASHINGTON - APRIL 21: A U.S. Secret Service Agent stands among trees while watching President Barack Obama and Jordan's King Abdullah II leave the Oval Office at the White House April 21, 2009 in Washington, DC. Obama and Abdullah had a private meeting in the Personal Dining Room before meeting in the Oval Office. King Abdullah was the first Arab leader to visit Obama in the Oval Office and used the opportunity to push the U.S. to revive Israeli-Palestinian talks. Getty

President Barack Obama meets in the Situation Room for a briefing April 14, 2009, with Cabinet members and advisors. Official White House Photo by Pete Souza

President Barack Obama makes his way down the stairs of Air Force One April 8, 2009, upon his arrival to Andrews Air Force Base returning from Baghdad, Iraq. Official White House Photo by Pete Souza

Staff and U.S. Secret Service (USSS) discuss security measures aboard Air Force One during the flight from Istanbul, Turkey to Baghdad, Iraq. National Security Advisor Gen. James "Jim" Jones and Rahm Emanuel on phones. Official White House Photo by Pete Souza

National Security Advisor General James Jones, left, and USSS Special Agent in Charge Joe Clancy coordinate arrival details by telephone for President Barack Obama's visit to Baghdad on April 7, 2009. Joined also by White House Senior Advisor David Axelrod; Chief of Staff Rahm Emanuel; Jim Messina, Deputy Chief of Staff; White House Press Secretary Robert Gibbs, and National Security Counsel Chief of Staff Mark Lippert, background-right. Official White House Photo by Pete Souza

President Barack Obama is seen at a meeting with his staff April 5, 2009, aboard Air Force One on a flight from Prague, Czech Republic en route to Ankara, Turkey. Official White House Photo by Pete Souza

President Barack Obama is greeted by a large crowd following his Prague speech April 5, 2009, in Hradcany Square in Prague, Czech Republic. Official White House Photo by Pete Souza

Staff in the Conference Room aboard Air Force One during the flight to London, England, United Kingdom, 3/31/09. Official White House Photo by Pete Souza

President Barack Obama practices his golf swing at an outdoor hold prior to an event at the Miguel Contreras Learning Center, Los Angeles, California 3/19/09. Official White House Photo by Pete Souza

President Barack Obama at a NSC Meeting in the Situation Room. Participants include Secretary of State Hillary Rodham Clinton, Defense Secretary Robert Gates, Vice Chairman of the Joint Chiefs of Staff Gen. James Cartwright, DNI Dennis Blair, White House Counsel Greg Craig, CIA Director Leon Panetta, Deputy National Security Adviser Tom Donilon, NSC Advisor Gen. James "Jim" Jones, and Chief of Staff Rahm Emanuel 3/16/09. Official White House Photo by Pete Souza

A briefer holds a briefing book prior to the Presidential Daily Briefing (PDB) in the Outer Oval Office 3/10/09. Official White House Photo by Pete Souza

President Barack Obama shoots hoops on the White House South Lawn basketball court 3/6/09. Official White House Photo by Pete Souza

[At left is the southeast corner of an unidentified structure located on West Executive Drive:
http://eyeball-series.org/white-black/white-black.htm ]