Iran is opposed to assisting U.S.

TEHRAN, Iran -- Iran's supreme leader said in a blistering speech Wednesday that his nation would not participate in any U.S.-led coalition against terrorism, taking a tough line despite many Iranians' expressions of sympathy for Americans. Ayatollah Ali Khamenei called U.S. behavior "disgusting" and said in a state-run television address to the nation that Iran does not consider the United States "competent and sincere (enough) to lead any global campaign against terrorism."...