As President Obama prepares to unveil his long-deliberated war strategy, the Taliban's supreme commander declared today that U.S.-led forces would find only defeat, dishonor and "a bed of thorns" in Afghanistan. The warning, contained in a statement by Mullah Mohammed Omar , the movement's reclusive leader, was issued on the eve of one of the year's most important Muslim holidays, Eid al-Adha, or the Feast of Sacrifice. It marks the end of the hajj, the annual pilgrimage to Mecca, which is made by millions of observant Muslims. In his missive -- punctuated by the flowery phrases and high-flown rhetoric typically...