The big deal at the UN today is not Obama but Rouhani. The Iranian leader has stolen the whole show. Everyone knows what Obama is going to say, and also knows he has failed to substantially break with Bush. But Rouhani seems to be making a break with his Bush, Ahamdinejad. This, of course, may not be how it is in fact, but it's certainly how it appears in the press. Nicholas Kristof is now tweeting that Rouhani has released Amir Hekmati, and calls it a "smart gesture." Why? Because it grabs the headlines. It's free publicity. This business of freeing prisoners, who are for the most part harmless, and tweeting kind words to Jews, costs him nothing and generates good press...