Have you seen this man? If so, please ask him to make up his mind. Shahram Amiri, a 32-year-old Iranian nuclear scientist, is at the center of an episode of United States-Iran intrigue that just got weirder, thanks to YouTube. Amiri disappeared during his pilgrimage to Saudi Arabia last year, and anonymous U.S. officials confirmed that he defected, presumably bringing information about Iran's nuclear program. Now he—or someone purporting to be him—appears in two contradictory videos that claim he was either abducted and tortured by the United States or is living happily here and going about his studies. The first video: