An Islamic extremist group warned Dubai and other sheikdoms of the United Arab Emirates that it would attack the crucial tourism industry if authorities persist in arresting militants wanted by the West. The threat, contained in a letter dated 2002 and newly declassified by the U.S. military, shows the intimidation Arab countries face if they cooperate with the West. The letter came the same year the Emirates turned over to the United States a suspected mastermind of the deadly bombing of the USS Cole. Full Story