if it doesn't happen sunday, does that mean it could happen monday or in three weeks? but that's one reason the closings could be extended. the travel alert goes through the end of the month. you know, i talked with the cnn terrorism analyst paul kirk shaw today. i said, what if there is no attack? he says, in some ways al qaeda may still be able to claim a win to supporters on this because, no matter what happens, they have been pushed to the headlines. everyone is talking about them. everyone is watching them. and they can say that their threat has caused the closing of embassies, proving that they are a threat, that indeed u.s. intelligence does not take lightly. an anna? >> emily schmidt following this story very closely from washington. thank you very much. turning our attention now to california, the demolition of a california power plant turns dangerous. flying shrapnel injured three people.