kenneth arnold is an offshore industry consultant and member of the national academy of engineering. he worked for shell for many years and now works with oil companies. but he has not been involved with this spill. and michael gravitz is the oceans advocate for environment america, an environmental advocacy group. >> woodruff: gentleman, thank you both for talking with us. michael gravitz, what is the latest information you have about oil coming ashore? we hear from the coast guard today that we have been given, she said, a gift in that the weather and the current has kept the oil offshore. >> that's true, although our understanding is that the oil has touched down on a couple of islands in the gulf of mexico. chandelier island, breton national wildlife refuge and -- oil is pushed around by winds and waves, and there is about three, four, 5,000 square miles of it out in the gulf of mexico, and we're just hoping that the winds keep it off the shorelines and off the beaches and the coast of the gulf states. >> woodruff: inevitably, you know it's coming in. >> that's true. usually at t

. >> woodruff: i want to quote to you something we had an engineer -- a man named kenneth arnold on thes is a terrible accident, but essentially, he said accidents will happen. we learn from them. we move on, and it will be safer -- drilling of all kinds will be safer in the future. >> well, i think that is true. i think the oil industry has learned from past experiences, and a certain kind of complacency i think had begun to set in because drilling, as such, has become safer over the years. so much so that the big problems that we've experienced in recent times have been from the transport of oil, not from the drilling. there is not -- there isñr no such thing as a no-impact drilling activity, but they've minimized the effects. and really have come to believe -- many of us have -- that the attention should be focused elsewhere. butextreme environments, especially depths of the sort we're talking about here. a mile under water. itÑi is really hard, as we now are discovering -- people knew in advance this was a tough environment. if something should go wrong, how do you fix it?çó well, p