It's always nice to read a positive article about Baltimore , especially when it starts with us. There I was, a Washingtonian in the middle of Charm City, minding my own business as I browsed through the offerings at Atomic Books, when what to my wondering eyes should appear but . . . another Washingtonian. This Story "Elliott?" I said. My friend lives in Dupont Circle, so it was a bit of a shock to run into him 35 miles from home, in a Baltimore shop specializing in comics, art books, 'zines and art toys. "What are you doing here, man?" I managed to stammer. "Hanging out," Elliott answered. And then: "I'll tell you something. They don't have anything like this in D.C."