Almost anything, if it goes on long enough, can be reduced to, first a Routine, and then, to a Tradition. And at the point it is, obviously, Necessary. Two king-sized bands blared martial music, the " Internationale " and the "Star-Spangled Banner," each seemingly trying to drown the other in a Götterdämmerung of acoustics. Two lines of troops, surfacely differing in uniforms and in weapons, but basically so very the same, so evenly matched, came to attention. A thousand hands slapped a thousand