Democrats

Chants of "Bernie" echoed through the arena, and boos could be heard at times when Clinton's name was raised.

Some 19,000 hacked emails would confirm that the Democrats favored Clinton over Sanders.

Clinton is weighing the potential negative impact her decision could have.

Bernie Sanders won the Wyoming caucuses on Saturday

Sanders, a U.S. senator from Vermont, is trying to chip away at Clinton's sizeable lead in the number of delegates needed to secure the party's nomination.

Early returns showed her winning with double-digit margins in many areas.

And O'Malley spoke a few times.

They worry that a campaign that successfully presents Bush as the product of his Hispanic-infused South Florida home could cut into their party's sizable demographic advantage with Latino voters - particularly in hard-fought states such as Florida, Colorado and Nevada.