Demonstrators demanding an increase in the minimum wage to $15-dollars-per-hour prepare to march in the streets on Thursday in Chicago, Illinois. The demonstrators marched to and protested in front of several locations during a day-long effort to draw attention to low-wage jobs
Attendees cheer for Senator Ted Cruz, a Republican from Texas and 2016 presidential candidate, not pictured, during a campaign event in Milwaukee, Wisconsin, U.S.
A man takes a photograph of the stage before a campaign event featuring Republican presidential candidate Donald Trump at St. Norbert College in De Pere, Wisconsin, USA
Dan LaMoore wheels a clock away from the test area as it is prepared to be shipped to a Tennessee school at the Electric Time Company in Medfield, Massachusetts.
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Democratic presidential candidate Hillary Clinton speaks to an capacity audience during a campaign event in Vernon Hills, Illinois.
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Tim Ferris shades himself from the sun while waiting in line to attend a campaign rally with Democratic presidential candidate, Sen. Bernie Sanders, in Kissimmee, Florida, USA
Republican presidential candidate, Senator Marco Rubio, poses for photographs during a campaign rally in Hialeah, Florida
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President Barack Obama meets with members of his economic team in the Roosevelt Room of the White House in Washington. Obama spoke about U.S. employers adding 242,000 workers in February, driving another solid month for the resilient American job market
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Oklahoma City Thunder’s Kevin Durant drives to the basket between Golden State Warriors’ Harrison Barnes, left, and Shaun Livingston during the second half of an NBA basketball game in Oakland, Calif.
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The plane carrying Expedition 46 Commander Scott Kelly of NASA is seen as it taxis after landing at Ellington Field after his return to Earth
Voters cast ballots at a polling station for Massachusetts’ primary election, as Super Tuesday starts in North Andover, Mass USA
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Democrat presidential candidate Hillary Clinton gestures during a commercial break at a CNN town hall televised event at the University of South Carolina School of Law, in Columbia, US
Protesters carry placards outside an Apple store in Boston to protest the FBI obtaining a court order that requires Apple to make it easier to unlock an encrypted iPhone used by a gunman in December’s shooting in San Bernardino
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A full moon rises over the Statue of Liberty, seen from the Port Liberte neighborhood of Jersey City, N.J
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Supporters of US Republican presidential candidate businessman Donald Trump at a rally in Las Vegas, Nevada
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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 resident, right, hands an election official a Republican ballot at the town hall polling site during the New Hampshire presidential primary election in Harts Location, New Hampshire, U.S., on Tuesday. According to the New Hampshire Secretary of State’s office, the state has 383,834 voters who haven’t declared a party affiliation, compared to 260,896 registered Republicans and 229,202 Democrats.