tomorrow and so far nothing from the oil giant. the biggest environmental catastrophe in u.s. history has been dragging on for 55 days now, and dragging the administration down with it. so the president will head back to the gulf coast in the morning for his fourth visit, and he s hoping bp has some good news for him. the containment cap is catching some, but not much of the oil. and since learning that double of the amount of the oil is gushing out than first thought, well, late today, bp, at the government s request, placed high-tech sensors a to the site to begin gathering some accurate data. we have team coverage for you tonight. chris lawrence is in new orleans, following the developments from the scene. dan lothian is in southern alabama, covering the president s visit. and our senior political editor, mark preston sb in washington tonight. we start with chris lawrence. chris, any word from bp about tonight s deadline? reporter: yeah, don, we just got off the phone with the joi