TEHRAN (Reuters) - Iran threatened on Tuesday to attack Israel in response to any "evil" act by the United States and said it had enriched uranium to a level close to the maximum compatible with civilian use in power stations. The defiant statements were issued shortly before world powers meet in Paris to discuss the next steps after Tehran rejected a U.N. call to halt uranium enrichment. Senior officials from the U.N. Security Council's permanent members -- Britain, China, France, Russia and the United States -- plus Germany were to discuss how to curb an Iranian program that Western nations...