"U.S. Sen. Bernie Sanders, who is seeking the Democratic Party's presidential nomination, speaks at a campaign rally in Ann Arbor, Michigan, on Monday, March 7. Sanders <a href=""http://www.cnn.com/2016/03/08/politics/primary-results-highlights/"" target=""_blank"">won the state's primary</a> the next day, an upset that delivered a sharp blow to Hillary Clinton's hopes of quickly securing the nomination."
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