hillary clinton, bernie sanders, and martin o'malley will field questions in des moines monday. the town hall will be moderated by c- n-n's chris cuomo and will air on the network from 8 to 10. the event will be held at drake university, just days before a republican debate takes place at the iowa events center. republican presidential hopeful donald trump is receiving a big endorsement. former alaskan governor sarah palin threw her weight behind

you can catch the two- along with martin o'malley- at the debate in charleston, south carolina tonight at eight right here on