House Majority Leader Kevin McCarthy walks out of a nomination vote meeting on Capitol Hill on Thursday, October 8, after dropping out of the race to replace House Speaker John Boehner, who is stepping down and retiring from Congress at the end of the month.
Democratic presidential candidate Hillary Clinton waves to the audience at a campaign event in Davenport, Iowa, on Tuesday, October 6.
Sen. Marco Rubio, a Republican presidential candidate from Florida, meets with people at a campaign event in Las Vegas on Thursday, October 8.
Members of CodePink protest the deadly U.S. attack on a hospital in northern Afghanistan on Tuesday, October 6, during a Senate Armed Services Committee hearing. Gen. John Campbell, the top commander of U.S. forces in Afghanistan, testifies in the foreground.
Mitchell Cunningham waits for Republican presidential candidate Jeb Bush to speak during a campaign event at the Pizza Ranch in Indianola, Iowa, on Thursday, October 8.
Republican presidential candidate Ben Carson appears with Joy Behar on ABC's "The View" on Tuesday, October 6.
Sen. Lindsey Graham, a Republican presidential hopeful, fires an AR-15 after a tour of Samson Manufacturing in Keene, New Hampshire, on Thursday, October 8.
Sen. Bernie Sanders, who is running for the Democratic presidential nomination, delivers remarks at a Congressional Hispanic Caucus Institute presidential candidates forum in Washington on Wednesday, October 7.
Senate Energy and Natural Resources Committee member Sen. Elizabeth Warren listens to testimony on Capitol Hill on Tuesday, October 6, as Energy Secretary Ernest Moniz testifies during a hearing on the strategic petroleum reserve and energy security issues.
Ohio Gov. John Kasich, a Republican presidential candidate, speaks during the U.S. Hispanic Chamber of Commerce session at the Newseum in Washington on Tuesday, October 6.
The Counter Assault Team that accompanied President Barack Obama stands in the elevator at the Congressional Hispanic Caucus Institute's 38th Anniversary Awards Gala in Washington on Thursday, October 8.
President Obama shakes a present given to him after speaking at a worker summit at the White House on Wednesday, October 7.
New Jersey Gov. Chris Christie, a Republican presidential candidate, speaks to employees during a campaign stop at Granite State Manufacturing in Manchester, New Hampshire, on Thursday, October 8.
Republican presidential front-runner Donald Trump poses with a woman whom he brought up on stage during a rally in Las Vegas on Thursday, October 8.
Michael Horn, head of Volkswagen in the United States, testifies before the House Energy and Commerce Committee's Oversight and Investigations Subcommittee on Thursday, October 8. Horn was questioned by members of Congress about Volkswagen's emissions scandal, which the company said involved the rigging of engines in 11 million diesel cars around the world to beat emissions tests.
First lady Michelle Obama hugs elementary school students after picking vegetables with them during the annual fall harvest of the White House Kitchen Garden on Tuesday, October 6.
Former Maryland Gov. Martin O'Malley, a Democratic presidential hopeful, greets attendees after delivering remarks at a Congressional Hispanic Caucus Institute presidential candidates forum in Washington on Wednesday, October 7.
Vice President Joe Biden attends a meeting between President Obama and German President Joachim Gauck in the Oval Office on Wednesday, October 7.