Effect of oil drilling in the gulf

Tags: Energy, oil drilling, pollution, environment

As John McCain and Florida Gov. Charlie Crist change positions and call for expanded offshore oil and gas drilling, we look at the environmental consequences.

Anthony Amos is an instructor at the Marine Science Institute at the University of Texas at Austin, Port Aransas. For 30 years, he has observed the effect of deep-sea oil drilling along the Texas coast. In this interview he described the range of pollution he's observed.