Between Maureen Dowd's column of this morning and Norah O'Donnell's questioning of an Obama spokesman this afternoon, it looks like Barack's halo is losing its glow in some MSM sectors. Obama spokesman Bill Burton was O'Donnell's guest just after 3 PM EDT, and she read to him from Dowd's column, which he jokingly professed not to have read. NORAH O'DONNELL [reading Dowd]: "Ed Rendell compared Obama to the passive-aggressive Adlai Stevenson and told the Washington Post that Obama gives six-minute answers and "is not exactly the easiest guy in the world to identify with." Boos from the pro-Obama crowd in...