An ex-Weather Underground radical on the Tucson shootings and political violenceBy Mark Rudd Sunday, January 16, 2011 In 1970, when I was 22 years old - the same age as Jared Loughner - I was a founder of the Weather Underground, an offshoot of the antiwar group Students for a Democratic Society. That spring, a small contingent of the Weathermen, as we were known, planned to plant three pipe bombs at a noncommissioned officers' dance at Fort Dix, N.J. Our intention was to remind our fellow Americans that our country was dropping napalm and other explosives on Vietnam, killing hundreds...