According to Fox News exit polls, only one-third of Kentucky Clinton supporters would vote for Obama over McCain.

The Glacier continues to win the support of white voters, women, whites who didn’t attend college, voters searching for an experienced candidate, and churchgoers.

Interestingly enough, 64% of Kentucky Clinton supporters continue to believe she will ultimately win the Democratic nomination.
Update: That 33% isn’t just a Fox News result. Via Hot Air, CBS News:

According to CBS News early exit polling, in Kentucky, eight in ten Clinton voters said they would be dissatisfied if Obama was the Democratic nominee. Obama voters were about evenly split on whether they would be satisfied if Clinton got the nomination.

In Kentucky, just 33 percent of Clinton voters said they would back Obama in the general election if he is the Democratic nominee – 41 percent said they will vote for McCain, and another 23 percent say they won’t vote.