[Signalman]

more say they would "definitely vote for" Obama (33%) than say this about either Romney (21%) or Perry (20%). That may reflect the virtual certainty that Obama will be the Democratic candidate for president, while Republicans' loyalties are divided between their two leading contenders.

That's correct. Once the GOP has a nominee, then the "definitely vote for" stat will rise dramatically.

[Signalman]

Anyone know the situation with open primaries? It seems to me that since Obozo is the obvious candidate for the Dems, then a lot of Dems will vote in the GOP primaries in any states which allow this.