The levee was blown up about 10PM tonight.
First portion of levee breached at Birds Point - KFVS12 News & Weather Cape Girardeau, Carbondale, Poplar Bluff
And this article talks about the Morganza and Bonnet Carre spillways:
Army Corps decides to blow up Missouri levee - Yahoo! News
For background articles, see the postings in the Upper Mississippi flooding thread, which was getting too long.
Thanks, Judy, for posting the link to those videos. It was briefly shown on tv while I was staying in Natchez, but more coverage was being given to the demise of Bin Laden than the flooding river!
A minister in the area told me that he'd heard boats with armed officers accompanied the towboat with the explosives experts, as they feared shots might be fired upon them!