eight months, 12 months, they've got, you know, opportunities in brazil, in africa and the big worry is the most talented workers, the newest rigs, those are going to be the first to go. so when they do start operations down here, it's going to be with a less experienced crew operating on older rigs, which probably won't be quite as safe. that's the big worry, drew. >> chris lawrence, live in new orleans, thanks. oil not just hitting people hard. sharks, the top predators of the ocean, but they may be no match for the slick. what scientists are doing to track the impact of these fish. the tide "loads of hope" program, a free laundry service that provides clean clothes to families affected by disasters. [ woman ] it feels so good to be able to know that i've got clean clothes. you don't know how very basic essentials are until you have none. ♪ this is what gives us hope. [ female announcer ] you too can join us by purchasing a tide vintage t at tideloadsofhope.com.