ahead because this river is going to be around for a while and it is going to have sort of an eroding effect as time goes on. but they have a great deal of confidence that these levees are going to keep this city high and dry. >> david, one of the big things i'm concerned about here -- chad again -- is one loose barge, literally, that's all it takes, one barge, to break loose and ram into one of those levees. levee will be shot. ask the people that are in illinois how that could happen very fast. don't even realize your city is getting inundated. what are they doing to tie these barges down to make sure this traffic, nothing's moving, everything is double-tied, if you will? >> well, that's a lesson that he ever one learned back in katrina. it was a barge that got loose and opened up one of the levees there. we're still watching barge traffic. in fact if we can pan over this way -- >> no kidding! >> -- that's very, very slowly moving up river because of the tremendous current. but it's very -- it is a very