OUR MUTUAL HOUSEGUEST

I AM NOT ASHAMED TO ADMIT THAT I WATCHED AS MUCH OF the O.J. Simpson trial as humanly possible (I'd guess I caught about a third of the 685 hours carried on COURT TV). Not only that, I've survived to tell the tale. I'm perfectly fine, no ill side effects whatsoever--except for this one peculiar thing that keeps happening whenever I contemplate telling a white lie or giving rein to a less than charitable impulse. Not that I do this very often, of course. But when I do, I now find myself subjected to involuntary cross-examination by a teeny little, very...