“The Weather Underground,” a vivid, Oscar-nominated chronicle of the violent opposition to the Vietnam war during the early 1970s by a small band of radicals who planted bombs in places (the Capitol included) that symbolized U.S. power. The war “made us crazy,” admits Brian Flanagan, one of seven one-time fugitives who look back on their fringe movement thirty years later. There's pride in their ideals but some regret of their tactics. “If you think you have the moral high ground,” says Flanagan, “you can do some really dreadful things.”