A man believed to be a top al Qaeda militant who escaped from a U.S. airbase in Afghanistan urged Muslims in an Internet video to launch attacks in Europe as revenge for cartoons that lampooned the Prophet Mohammad. A Web site often used by militants posted a video from a man identified as Abu Yahya al-Libi in which he called for Muslims to “send rivers of blood” down the streets of Denmark, Norway and France for publishing the cartoons that caused a global furor earlier this year. Full Story