Vice President Hubert Humphrey (right) and his running mate, Sen. Edmund S. Muskie, wave to the crowd with their wives at the Democratic Convention in Chicago on Aug. 29, 1968. Violence ensued inside and outside the convention hall.
Supporters of Democratic presidential candidate Sen. Bernie Sanders cheer and hold up signs, including one of Sanders, during a campaign rally at Colorado State University Sunday.
Hillary Clinton, former secretary of state and 2016 Democratic presidential candidate, hugs Geneva Reed-Veal, the mother of Sandra Bland, during a campaign rally in Chicago.
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Hillary Clinton in New Hampshire, one of the early states she is vying for. She's neck and neck in polls there with Bernie Sanders of Vermont but leads in a big way nationally in endorsements.
Polls show Rick Santorum and Mitt Romney in a tight race heading into Tuesday's Michigan primary. Santorum's campaign signs are stuck in the snow before his campaign stop at the The Colonial Valley Suites on Feb. 26 in Davison, Mich.
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