U.S. President Barack Obama awards the Medal of Valor to Los Angeles police Officer Donald Thompson on Monday, May 16. While off duty, Thompson endured first- and second-degree burns as he pulled a man from a car moments before it was engulfed in flames.
House Speaker Paul Ryan, center, shakes hands with U.S. Rep. Kevin Brady, chairman of the House Ways and Means Committee, as U.S. Sen. Orrin Hatch signs the American Manufacturing Competitiveness Act on Wednesday, May 18.
U.S. Sen. Bernie Sanders, who is seeking the Democratic Party's presidential nomination, campaigns in Carson, California, on Tuesday, May 17.
Activists rally for immigration rights in front of the White House on Tuesday, May 17.
A young woman holds a cardboard cutout of U.S. Sen. Bernie Sanders during the presidential candidate's rally in Carson, California, on Tuesday, May 17.
Republican presidential candidate Donald Trump, accompanied by his wife, Melania, second right, and former wife Marla Maples, second left, watches his daughter Tiffany graduate from the University of Pennsylvania on Sunday, May 15.
"Sesame Street" characters Elmo and Rosita pose with visitors in the halls of the Rayburn House Office Building after attending a USO event in Washington on Tuesday, May 17.
U.S. Sen. Al Franken, right, and other members of the Senate Judiciary Committee attend a meeting to discuss the qualifications of Supreme Court nominee Merrick Garland on Wednesday, May 18.
Hillary Clinton supporters cheer for the presidential candidate as she speaks in Lexington, Kentucky, on Monday, May 16.