From their formative days as the Psychedelic Stooges to their evolution into a ruthless live band in the late ‘60s, the Stooges tread unconventional musical, social and cultural paths. But after the group’s groundbreaking albums commercially stiff, the quartet implodes. Three decades later, vocalist Iggy Pop reunites with the Asheton brothers and, with bassist Mike Watt in tow, the Stooges reap long-deserved rewards and make a new LP, “The Weirdness.”