for more, we're joined by steven mufson. he's covering the story for the "washington post." steven, thank you for being with us. >> glad to be here. >> woodruff: first of all, how thur oi was this b.p. investigation? is it known? >> well, it it's about 243-page report, and it's pretty thorough. of course, there are a lot of things they don't have access to. they didn't have access to the blowout preventer, to a lot of the employees at other companies so it's not a complete look, but it's more than we've seen so far. >> woodruff: all in all, how much responsibility do they accept for what happened? >> they accept some responsibility for some decision-- their role in some of the decisions made on the well, but there's a lot of blame that they're spreading to the contractors who are working for them, contractors like haliburton who did the cement job, to transocean, who was operatinthe rig anthe blowout preventer. >> woodruff: can you pin point what they themselves accept responsibility for? >> i think the closest we get to that is some decisions about whether they should have