minors. >> doctors set to do more testing on toker bret michaels to pinpoint the source of his brain hemorrhage, he's front man for the band poison is now in intensive care. jon: how do you stop an environmental catastrophe a mile below the surface of the gulf of mexico? right now 42,000 gallons of oil are leaking into the waters off the louisiana coast every day. it's the result of this explosion. the spill came from that rig explosion off shore last week. there is hope that robotic submarines can get the job done. if not one plan to contain the damage involves building a massive undersea dome over the leak and pumping the oil to the surface. let's talk about it with benton ball, president of raidoil and president of the national academy of engineering. he joins us live on the phone. benton, what is the best way to put a stop to this leak, do you think? >> the best thing that can happen is for the remote vehicles to go down and be able to intervene and close off the rams to stop the