Peace Out, Dawg!

As 9-11 shakes the Doonesbury world, many of its denizens are drawn inexorably toward Ground Zero--Mike to attend a memorial service for a former employer; B.D., reactivated for crowd control and celebrity tourism; Marcia Feinbloom to hit on firefighters; and Zonker to deliver potent fruitcakes to weary rescue workers. Those on the home front are no less affected by events: "I no longer care what Madonna had for breakfast," laments Boopsie, proof positive that Everything Has Changed. Half a worl