Martin Gugino — the 75-year-old man who was shoved to the ground by Buffalo police in a video seen by millions — is a long-time peace activist and “gentle person,” according to friends. The resident of Amherst in Erie County is a member of the People United for Sustainable Housing Buffalo and anti-nuclear group Kings BayPlowshares, the Buffalo News reported. “He’s a gentle person who really believes that he must stand up for what he thinks is right,” said Gugino’s pal Terrence Bisson. “That’s why he went to the demonstration. He would never resist physically any kind of orders. He’s...