The Democratic presidential candidates are battling for diverse voter support before the Nevada caucus.<br />The Democratic presidential candidates are battling for diverse voter support before the Nevada caucus. - Earlier in the presidential campaign, Black Lives .<br /> - Earlier in the presidential campaign, Black Lives Matter activists made headlines disrupting campaign events by Bernie Sanders, .<br />Bernie Sanders apologized for his aides breach of Hillary Clintons proprietary voter data in the opening moments of Saturdays Democratic debate -- and .
