PARIS: He has not issued any public statements all year. Speculation has grown over his influence, health and even possible death. Where is the Western world's most wanted man, Osama bin Laden? The Al-Qaeda leader's period of silence has been the longest since the September 11, 2001, attacks on the United States, offering no clues to the whereabouts or fate of a man who this year appears to have quietly slipped off the radar. Bin Laden has not been heard of since a December 27, 2004, audiotape in which he anointed Abu Musab al-Zarqawi, Iraq's most wanted man, as Al-Qaeda's...