major oil companies are as unprepared as bp was to respond to a deepwater leak, congressional leaders are also pointing to newly released documents that show bp may have put cost before safety in the days leading up to april's deepwater rig explosion. there's a live look at the streaming video of the gulf oil leak, still gushing. news of the documents also comes with word bp's chief executive will testify on capitol hill later this week. trace gallagher is live on the gulf coast in venice, louisiana. he has more for us. it's been a lot of talk, trace, about the use of centralizers in...