Haley has to take another serious defeat against Trump - what that means for the primaries. Exit polls again show antipathy towards Trump With the Republican Party's nomination contest appearing to be all but over, the biggest question now may be what the results say about Trump's prospects in the general election.

Even in her home state, voters like Trump better than Haley. Tuesday's primary is in Michigan, where Haley is trailing by even more than she lost in each of the four primary states. With a dozen states voting on Super Tuesday, their gap stands at more than 60 points nationwide.