The CIA says Iran is not trying to build nuclear weapons any more, but President Bush says it's still a real threat to the rest of the world. The latest National Intelligence Estimate: how does it look to America's friends and potential enemies? Also, with the first voting less than a month away, five Republican candidates have a shot at primary victories. We hear about religion and immigration. Will the campaigns be affected by the news on Iran?
White House photo: Joyce N. Boghosian