WATCH LIVE: The first 2016 Democratic presidential debate on CNN
Democratic Presidential candidate Hillary Clinton needs a big war chest for her election campaign (AFP Photo/Thomas Shea)

Former Secretary of State Hillary Clinton, and Vermont Sen. Bernie Sanders, former Maryland Gov. Martin O'Malley and Sen. Jim Webb are set to square off at the first Democratic presidential debate in Las Vegas on Tuesday.


Check out the live video below or watch at CNN.com.