TIKRIT, Iraq (Reuters) - Iraq's Sunni Muslim imams have a message for U.S. troops -- don't call us Osama. As the U.S. curries support with Iraq's religious leaders, some soldiers are undermining the battle to win Muslim hearts and minds by accusing local clerics of links to al Qaeda, imams in Iraq's Sunni Muslim heartland said on Monday. "Some of the coalition forces describe us as an Osama Bin Laden group because of the beard," said Abaas Zedaan, an official at the Committee of Religious Advocation, the official body which represents the clergy in the region of Tikrit. "Osama doesn't...