When Joe Kennedy starts running those inspid Citizens Energy ads in a few weeks, just remember these two words: Pam Kelley. Oh yeah, he's a great humanitarian, Joe is. At least as long as the cameras are rolling. But Joe forgets that charity begins at home, because when he had a chance to walk the walk, as opposed to talking the talk, he walked . . . away. That's one thing Pam Kelley can't do – walk. Because 32 years ago, driving like a madman over sand on Nantucket, Joe Kennedy flipped a Jeep and put her in a wheelchair...