American Morning co-hosts John Roberts and Kiran Chetry were lucky to have Christiane Amanpour on hand this morning -- and they knew it.

Amanpour was on set in New York all morning.

"We woke her up. She has raced into the studio," Roberts said.

Before signing off, Chetry added later: "It was certainly good fortune for us."

Amanpour's special, "The War Within," will re-air Saturday and Sunday at 8pm...