and levi johnston is off again. bristol tells us what happened. and we learn the advice she got from her mom. and good morning, everyone. we re following really conflicting reports that are coming out of iran. several news agencies say iranian president mahmoud ahmadinejad was attacked in western iran. reports of a homemade bomb hitting a vehicle in his convoy that was carrying presidential staff. the president was not hurt. he appeared live on iranian television. he made no mention of the attack. one person has been arrested. jim sciutto s been following the events. has the latest from london. jim, one of the odd twists here. yesterday, ahmadinejad predicted there would be an attempt on his life. reporter: absolutely, george. that s one thing that s adding confusion to this story. the president saying earlier this week, quote, silly zionists who hire assassins to assassinate me. a government source said a homemade explosive device was thrown at his convoy, causing inju