and you can begin to try to cap h chur and contain and efshlt cve over the course of months and years clean out the oil that has now spilled in the gulf of mexico. one thing that i have found as i talked to like yourself and other scientists is we truly don t know the full impact of what this oil is having on marine life, on the surface as well as everything below the surface. that, i guess, today, this weekend is a huge step in the direction of at least being able to stop it to b. begin the long process of recovery. richard charter, thank you for joining us. we know it s very early in california. thank you for having me. national poll suggests the majority of americans support arizona s immigration law. but the obama administration law says it violates the constitution and they filed a lawsuit challenging the law. they did that on tuesday of this week. nicole collins from washington has reaction from all sides. reporter: the battle over arizona s tough new immigration law head