I love it when politicians talk to me like I'm a grown-up. Especially when they mention trickle-down fairy dust. At :50 he busts out a mind-blowing fact. At 1:20 it gets more baffling. At 1:48 he explains how Mitt Romney's plan affects you. At 2:30 he does some stand-up comedy.And at 2:55 he gets to the point. The really important point.
You can read the analysis of Paul Ryan's plan that President Obama mentioned over at the Tax Policy Center.