Last night, I walked up to Center City to meet my friend and former colleague Pat Banks for dinner. She and I then went to the Union League to watch Nelson Shanks paint Michael Smerconish. On the way, I ran into a neighbor who warned me about these flash mobs. I'm in better shape and a good deal tougher than most, but as Muhammad Ali put it once, "I ain't no damn fool, either." Brought the matter up with Pat, and she was concerned, too. I figured my street smarts would make me alert enough to trouble to be able to dodge it and, as it happened, nothing happened. Guess I'll have to start packing heat.