CREDIT: (AP/Stephen Chernin)Founding members of the Fugs, Tuli Kupferberg, right, and Ed Sanders, seated, pose with bassist Scott Petito, left, and guitarist Steve Taylor outside the Village Underground Wednesday in New York.In the 1960s, the rock group the Fugs were at the vanguard of the underground counterculture movement, railing against the Vietnam War, promoting legalization of marijuana and extolling the virtues of free sex. Nearly 40 years later, American troops are in Iraq, pot is still illegal and the sexual revolution has been blunted by the scourge of AIDS. Yet the Fugs continue to preach their gospel of peace, love...