Did Obama just get his mojo back?

… Recent polling suggests that Romney might not benefit significantly outside his core constituents. It’s clear that the ruling will help him with conservatives. The Affordable Care Act helped galvanize Tea Party activists in 2010. Now the only way the law can be defeated is if Mitt Romney is elected. In a recent CBS poll, 70 percent of Tea Party voters said they wanted to overturn the law. But outside that group of activists, the opposition to the law doesn’t look passionate enough to drive a big group of voters. [cont.]

John Dickerson, CBS News