Jonathan Bernstein believes that Obama releasing the birth certificate will have no impact on the GOP 2012 race:
By the time we get to Iowa this winter, or even to the Ames straw poll this summer, all of this will be mostly forgotten. And rightly so. As far as the idea that Obama released the certificate in order to maneuver Republicans into acting ever more ridiculous and crazy, the evidence shows that they are already under heavy pressure to do this on their own in order to appeal to movement conservative activists. The President’s actions today don’t change that dynamic at all.
The Dish 