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Demonstrators protesting for an increase in the minimum wage enter the media file center at the PBS NewsHour Democratic presidential candidate debate at the University of Wisconsin-Milwaukee
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President Barack Obama returns a salute as he boards Air Force One before his departure from Andrews Air Force Base
Democratic presidential candidate, Sen. Bernie Sanders addresses supporters after winning the New Hampshire Democratic primary in Concord, New Hampshire. Sanders defeated Democratic presidential candidate Hillary Clinton in the first-in-the-nation primary
A supporter waves signs supporting Hillary Clinton, former Secretary of State and 2016 Democratic presidential candidate, outside a campaign event at Abraham Lincoln High School in Des Moines, Iowa, U.S
Billy Hunter, a volunteer for U.S. Democratic presidential candidate Bernie Sanders, holds a door open while waiting for Sanders to arrive at a campaign rally in Fairfield, Iowa
Democratic presidential candidate former Secretary of State Hillary Clinton greets supporters during a “get out the caucus” event at the Adel Family Fun Center in Adel, Iowa. With less than a week to go before the Iowa caucuses, Hillary Clinton is campaigning throughout Iowa
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Donald Trump, president and chief executive of Trump Organization Inc. and 2016 Republican presidential candidate, reacts to a protester during an event in Iowa City, Iowa, U.S.
Supporters of Democratic presidential candidate Sen. Bernie Sanders cheer during a campaign stop, in Birmingham, Alabama
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A flight deck crew prepares to launch a F18 Super Hornet from the deck of the USS Eisenhower off the coast of Virginia
Soldiers from South Korea (L) and the US (R) gesture as they set up a floating bridge during a US-South Korea joint river crossing exercise in the border county of Yeoncheon, northeast of Seoul
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Cathleen Garcia holds a candle during a vigil to honour shooting victims in San Bernardino, California
People protest in front of NBC studios while they are calling for the network to rescind the invitation to Donald Trump to host Saturday Night Live show in New York. Trump is expected to host SNL on November 7th
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People take part in candlelight vigil following a mass shooting at Umpqua Community College in Roseburg, Oregon. A gunman opened fire at a community college in southwest Oregon yesterday, killing nine people and wounding seven others before police shot him to death, authorities said, in the latest mass killing to rock an American campus.
Miss Georgia, Betty Cantrell, reacts to advancing, en route to victory, at the Miss America Pageant at Boardwalk Hall, in Atlantic City, New Jersey.
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A house is engulfed in flames as firefighters attempt to put it out during the Valley fire in Seigler Springs, California.
A man jogs past a row of American flags that have been lowered to half staff on the Washington Monument grounds, near the US Capitol Hill. Friday marks the fourteenth anniversary of the September 11, 2001 attacks when terrorists high jacked airliners and flew them in the World Trade Center and the Pentagon.
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The United Launch Alliance Atlas V rocket takes off from Cape Canaveral Air Force Station Launch Complex 41 photographed from the seawall at Milliken’s Reef at Port Canaveral, Florida. The rocket is carrying a U.S. Navy communications satellite
Miami Marlins’ Dee Gordon slides safely past Milwaukee Brewers’ catcher Jonathan Lucroy during the fifth inning of a baseball game in Milwaukee.
Demonstrators, marking the one-year anniversary of the shooting of Michael Brown, march along West Florrisant Street in Ferguson, Missouri. There are reports that two people were shot when gun fire broke out during protests later in the evening.