President Barack Obama greets troops after arriving in Des Moines, Iowa, Wednesday, April 22, 2009.
President Barack Obama tours Trinity Structural Towers in Newton, Iowa, Wednesday, April 22, 2009. From left are, superintendent Larry Freeman, Senior Vice President Mark Stiles, the president, and maintenance manager Richard Mulbrook.
President Barack Obama speaks about his alternative energy plan following a plant tour at the Trinity Structural Towers Inc. in Newton, Iowa, Wednesday, April 22, 2009. The company manufactures towers for wind energy production.
President Barack Obama talks to workers following a plant tour at the Trinity Structural Towers Inc. in Newton, Iowa, Wednesday, April 22, 2009. The company manufactures towers for wind energy production.
President Barack Obama poses for photos after delivering remarks and touring Trinity Structural Towers in Newton, Iowa, Wednesday, April 22, 2009.
California
President Barack Obama appears on "The Tonight Show" with Jay Leno in Burbank, Calif., Thursday, March 19, 2009.
President Barack Obama tours the Edison Electric Vehicle Technical Center in Pomona, Calif., on March 19, 2009. President Obama's promise to put a million plug-in hybrid cars on the road by 2015 is fraught with problems, from engineering hurdles to the realities of the auto market and the economy.
President Barack Obama tours the Edison Electric Vehicle Technical Center in Pomona, Calif. with Chief Executive Officer Ted Craver, right, and head engineer Ed Kjaer on March 19, 2009.
Ohio
President Barack Obama boards Air Force One to depart Columbus, Ohio, on Friday, March 6, 2009.
President Barack Obama smiles during the Columbus Police Graduation Exercises in Columbus, Ohio, Friday, March 6, 2009.
President Obama delivers a speech in Columbus, Ohio, March 6, 2009.
North Carolina
President Barack Obama is saluted by a Marine before boarding Air Force One at Cherry Point Marine Corps Air Station, N.C., Friday, Feb. 27, 2009. At rear is Defense Secretary Robert Gates.
President Barack Obama speaks during a visit to Camp Lejeune, N.C., Friday, Feb. 27, 2009.
Arizona
President Barack Obama waves as he arrives to deliver remarks about the home mortgage crisis on Wednesday, Feb. 18, 2009, at Dobson High School in Mesa, Ariz.
President Barack Obama delivers remarks about the home mortgage crisis, Wednesday, Feb. 18, 2009, at Dobson High School in Mesa, Ariz.
Colorado
President Barack Obama signs the American Recovery and Reinvestment Act on Tuesday, Feb. 17, 2009, at the Denver Museum of Nature and Science in Denver.
Illinois
President Barack Obama puts his hand to his heart during the Pledge of Allegiance at the 102nd Abraham Lincoln Association banquet in Springfield, Ill., Thursday, Feb. 12, 2009.
President Barack Obama addresses employees and speaks about the economy as he visits the Caterpillar plant in East Peoria, Ill., Thursday, Feb. 12, 2009.
Florida
President Barack Obama speaks at a town hall meeting to discuss the economy, Tuesday, Feb. 10, 2009, at the Harborside Event Center in Fort Myers, Fla.
President Barack Obama looks on as Florida Gov. Charlie Crist introduces him at a town hall meeting to discuss the economy at the Harborside Event Center in Fort Myers, Fla., on Feb. 10, 2009.