DANBURY - People of a certain age will remember the Jesuit activist Daniel Berrigan, buried Friday in New York, as the radical priest who burned draft records with homemade napalm, and who pounded on nuclear warheads with hammers. [...] as mourners mark the death at 94 of a social justice pioneer, admirers here are recalling one spectacular day in 1972 that Berrigan shared with Danbury, when the rest of the world was transfixed by images of President Nixon at the Great Wall of China. “He was a very controversial figure because at that time it was a great shock for a priest to take a political position,” said Deacon William Murphy of St.