this is the first time western troops have taken part in russia's commemoration of the defeat of nazi germany. host the are your "fast five headlines." let's get more on the setback to contain that massive oil leak in the gulf of mexico. joining me live on the phone is oil spill expert david usher, who's the chairman of marine pollution control. david, good morning. >> good morning. how are you? >> i'm well, thanks. i want to get to you. when i think about what you do, you're the chairman of marine pollution control, can we talk about the marine life there and how much concern you have? we haven't seen a lot of problem forming along the coastline, but there's a lot of oil there still in the waters off the gulf. how much are you concerned that is damaging marine life irre irrevocably? >> i'm pleased because it has stayed offshore as long as it has. and they are, of course, taking two important steps, one, of course, the controlled burning, and the dispersants, i agree to