As hundreds of visitors waited in line to see the B-29 that delivered the first atomic bomb over Hiroshima, a handful of demonstrators waving anti-nuclear placards kneeled at the entrance to the exhibit, shouting slogans and singing songs, refusing to move until the police finally hauled them off. WASHINGTON - The Smithsonian Institution's exhibit on the Enola Gay opened to the public last week, and within hours protesters were doing their best to shut it down.
