 Voters in Iran casting ballots for a new president there. The election called after Iran's president was killed in a helicopter crash. If you're traveling, get ready for early 4th of July crush. USA expects to screen more than 3 million people just today alone. And look, that is nothing in comparison to the more than 32 million that they plan to hustle throughout airports all across the country until Monday, July 8th. That's ABC's Morgan Norwood on the highways. AAA is expecting more than 60 million people will be taking road trips.