SARASOTA, Fla. - A retired schoolteacher who went to Iraq (news - web sites) to serve as a "human shield" against the U.S. invasion is facing thousands of dollars in U.S. government fines, which she is refusing to pay. The U.S. Department of the Treasury said in a March letter to Faith Fippinger that she broke the law by crossing the Iraqi border before the war. Her travel to Iraq violated U.S. sanctions that prohibited American citizens from engaging in "virtually all direct or indirect commercial, financial or trade transactions with Iraq." She and others from 30 countries spread out...