Donald Trump spoke at the American Israel Public Affairs Committee Conference in March when he was a candidate for the GOP presidential nomination. Saul Loeb /AFP/Getty Images hide caption

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Saul Loeb /AFP/Getty Images

Russian President Vladimir Putin enters the St. George Hall of the Grand Kremlin Palace in Moscow. Sergei Ilnitsky/AFP/Getty Images hide caption

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Sergei Ilnitsky/AFP/Getty Images

How The Trump Campaign Weakened The Republican Platform On Aid To Ukraine

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Democratic presidential candidate Hillary Clinton delivered a national security speech in San Diego that harshly criticized Republican candidate Donald Trump's foreign policy positions. Justin Sullivan/Getty Images hide caption

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Justin Sullivan/Getty Images

Donald Trump, the front-runner for the Republican presidential nomination, gave an outline of his worldview and foreign policy goals in an address in Washington Wednesday. Evan Vucci/AP hide caption

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Evan Vucci/AP

Republican presidential candidate John Kasich's campaign is running an online ad and sent out a fundraising plea in response to the Paris attacks. Kasich is shown here at a town hall campaign event. Robert F. Bukaty/AP hide caption

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Robert F. Bukaty/AP

People remove household goods from the rubble as a house burns on Sunday in Sinjar, Iraq. Kurdish forces, with the aid of months of U.S.-led coalition airstrikes, liberated the town from ISIS. John Moore/Getty Images hide caption

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John Moore/Getty Images

Hillary Clinton had to defend her views on foreign policy and President Obama's during Saturday's Democratic presidential debate, following the Paris attacks. Charlie Neibergall/AP hide caption

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Charlie Neibergall/AP

Wisconsin Gov. Scott Walker speaks at a news conference Monday in Madison, Wis., where he announced that he is suspending his Republican presidential campaign. Morry Gash/AP hide caption

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Morry Gash/AP