asking, how could this have happened and can we do more to get it fixed. we watched as a huge dome was lowered in the sea, but it didn't work. now, bp has planned a smaller dome called a top hat. one of the things i want to talk to you about, they got special permission to spray these chemicals and the source. yeah, great, you disperse the oil. anybody know the damage from the chemicals themselves? >> these chemicals are toxic. toxic to corrals in particular. we're talking about over a quarter million gallons. just to give the listeners and viewers an idea of the importance of our corral, the floridan corals are the third largest on the globe. they contain potent medicines,