Democratic candidates attend Jefferson-Jackson dinner in Iowa Democratic presidential candidates Hillary Clinton, Bernie Sanders and Martin OMalley .\r
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Democratic candidates attend Jefferson-Jackson dinner in Iowa Democratic presidential candidates Hillary Clinton, Bernie Sanders and Martin OMalley .\r
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Candidates for the 2016 Democratic presidential nomination, Hillary Clinton, Bernie Sanders, and Martin OMalley, spoke at the annual Jefferson-Jackson .\r
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Democratic candidates attend Jefferson-Jackson dinner in Iowa Democratic presidential candidates Hillary Clinton, Bernie Sanders and Martin OMalley .