louisiana where transmission lines need upgrades to improve reliability. power companies have increased the infrastructure spending, but the bottom line is that utilities still remain vulnerable to outages, especially when people need powter most. >> allan chernoff, thanks very much. you are in "the situation room" right now, happening now, new developments in the gulf disaster. thad allen talking about a big attempt this week and they could, repeat could stop most oif not all of the oil from leaking into the gulf. we have new information coming in. cnn exclusive, the first live report from underwater in the gulf of mexico, and you are about to see a perspective of the oil disaster that you have never seen before. and the dramatic spy swap with russia now complete. convicted agents released by moscow have just arrived here in the united states. we want to welcome our viewer