Ed Rendell was the MC for the governor's meeting in Philly yesterday, where there was much to be heard on the open mics. CNN zeroed-in its microphones on Pa's motor-mouthed governor and heard him saying this about Arizona Gov. Janet Napolitano, Obama's pick for Homeland Security chief: "Janet's perfect for that job. Because for that job, you have to have no life. Janet has no family. Perfect. She can devote, literally, 19-20 hours a day to it." CNN's Campbell Brown went off on the guv last night: Wow. Now, I'm sure Gov. Napolitano has many qualifications for the job beyond...