Democratic candidates former Secretary of State Hillary Clinton, former Maryland Governor Martin O'Malley and Vermont Senator Bernie Sanders battled in the last democratic debate before voting begins in a debate hosted by NBC and YouTube and held in Charleston, S.C.
Clinton has a huge lead nationally over the more left-wing Sanders, according to the polling average on Real Clear Politics. And O'Malley is barely registering among voters. Will tonight's debate change anything? You decide! Answer our poll: