insight you won't find anywhere else. "cnn newsroom" with tony harris. anything can happen. ghun communities along the gulf coast bracing for a tragedy right now. hundreds of thousands of gallons of oil gushing from an undersea oil well. joining me from new orleans, loyola university scientist robert thomas. i've got to ask first of all, what most concerns you as this slick approaches? and where do you go to get updates on the current state of things? >> well, i think the thing that worries everybody the most down here is that, number one, we don't really know when this is going to end. right now it's still pouring into the gulf. there are questions about how much is pouring in. we might be making all of our decisions based on a small flow. in fact, we have a large flow. and of course, the next -- beyond that, the next question is, will it come onshore, on our