In Cairo, where Iranian President Mahmoud Ahmadinejad was on a historic visit this week amid protest. Four men hurled shoes at Ahmadinejad as he shook hands with supporters.
It's considered one of the biggest insults in the Muslim world. This, on the first visit by an Iranian head of state to Cairo in 30 years.
CNN's Reza Sayah is covering the story. Erin Burnett asked him what punishment the men will get?