will be. >> woodruff: richard doner, we thank you. we're going to leave it there. we will be watching it along with you. thanks very much. >> you're welcome. >> brown: and now to the oil spill in the gulf of mexico. it's been nearly a month since it began, and tonight we talked to a b.p. executive about the company's role and response to the disaster. but first, this update on the day's developments. as a blanket of oil edged its way into the marshlands of southern louisiana, there was still uncertainty today about where the slick is headed and how it might finally be contained. louisiana governor bobby jindal said this afternoon that thicker oil is now hitting his state's wetlands. >> we're beginning to see the heavier oil. you didn't see this heavy oil off the coast a couple of days ago. again, the concern is, is this oil coming submerged oil? is this oil coming in? and part of the concern is the tides have come and gone. they've not taken the oil out. >> brown: state department confirmed it was in rare talks with the cuban government amid fears that strong curre