segregation tomorrow and segregation forever. something happening here what it is ain t exactly clear we ve been watching today a long march to freedom airs tonight at 9:00 eastern and 8:00 pacific. like a lot of folks, you think of the hot day, august 1963. and you think about voices. lots of voices. we shall overcome we shall overcome you know that song. that song provided the opening notes of what some like to call the sound track of the 60s at the march on washington august 28th, 1963. but really that was more than a sound track, though, as this was a paradigm shift for american music. our singing entertainers, all of a sudden, they started urging