what matters is the type of people who go to see it. 43% of the country are Dems anyway - that's alot of people, and if the only people seeing it are some fraction of that group - it means nothing politically. they are lining up to see it in the west village and upper west side of manhattan - so what.
who went to see bowling for columbine?
I will add one thing - I would worry that CBS or one of the networks picks it up and airs it in October before the election, that would not be good.