let s get started. american morning begins right now. good morning, everybody. it s monday, march 21st. it s great to see all of you this morning. we re following two stories again, but major developments from where we left off on friday. breaking news from japan. smoke spotted coming from a damaged nuclear reactor. engineers are struggling there to prevent a meltdown after a devastating earthquake and tsunami earlier this month. let s get to anna coren. i understand it s now been evacuated. what s going on there? reporter: that s exactly right, ali. they thought they were getting a handle on the situation, that it was stable until about 4:00 p.m. this afternoon. that was when they saw gray smoke coming from reactor number three. that s been a reactor that was a huge problem. where they think there are low levels o of water in the pools that house the spent fuel rods. so when the smoke came at 4:00 p.m. this afternoon, it only took about 15 minutes before they d