Watch Live: At First 2020 Debate, O'Rourke, Warren and Castro Jockey for Edge in Huge Democratic Pack

MIAMI -- Ten presidential hopefuls take the stage Wednesday night in Miami for the first Democratic debate of the 2020 cycle, all angling for a shot at President Donald Trump next year.Climate change, impeachment, the migrant crisis, tensions with Iran, trade skirmishes -- these and other topics are likely to confront Sen. Elizabeth Warren, Texans Beto O'Rourke and Julián Castro and seven others, and the other 10 contenders on stage for part two of the debate 24 hours later.  Continue reading...