CNN's first round of exit polls has undecideds breaking evenly between Hillary and Obama -- a pattern which, if it holds, would mean that Obama isn't capturing the share of undecideds his supporters are hoping for:

Primary outcomes often turn on those people who made their decisions within the last three days before the vote. According to the exit polls, Obama and Clinton are essentially splitting those voters, with 47 percent going for Obama and 46 percent for Clinton.

CNN's exits also find...

There's no doubt Democrats are torn between Barack Obama and Hillary Clinton. But the early exit polls show they are not bitterly divided: 72 percent of Democrats said they would be satisfied if Clinton won the party's nomination, while 71 percent say the same about Obama.

...suggesting, once again, that the acrimony that has characterized the contest on this and other blogs doesn't appear to be as pronounced among Dems in general.

Results are expected to start coming in shortly after 7 P.M., and we're blogging them right here.

Late Update: These exit numbers, however, clearly favor Obama