Hardline Sunni Cleric Arrested in Baghdad By SAMEER N. YACOUB, Associated Press Writer BAGHDAD, Iraq - Iraqi security forces, backed by U.S. troops, have arrested a hardline Sunni cleric and about two dozen others after a raid of his Baghdad mosque uncovered weapons caches along with photographs of recent attacks on American troops, the U.S. military and the Iraqi National Guard said. AP Photo Sheik Mahdi al-Sumaidaei, the head of the Supreme Association for Guidance and Daawa, a conservative Sunni organization, was detained Thursday, along with 25 others, the U.S. military said. The raid took place at the Um al-Tuboul...