Iran's supreme leader warns against 'deceitful' West

Iran's Supreme Leader Ayatollah Ali Khamenei on Thursday warned against "deceitful" world powers and branded a letter from Republican lawmakers as a sign of America's internal collapse just days before new nuclear talks. Khamenei's broadside came as US Secretary of State John Kerry left Washington on a trip which will see him once again huddle with his Iranian counterpart in Switzerland aiming to seal a deal to curtail Tehran's nuclear program. With the nuclear nego