>> mcclendon: i'm trying to very clearly say exactly that. >> stahl: aubrey mcclendon is the c.e.o. of chesapeake energy, the largest independent gas producer in the country. he's on a mission to get us off foreign oil and dirty coal. gas has nearly half the carbon emissions of coal, and no mercury. but natural gas is still a fossil fuel. >> mcclendon: so is it perfect? no. the answer is, it's not perfect. but for the next 20 years, natural gas is probably our best bet. and the good news is, we've got it. and we've got as much of it as anybody else in the world. >> stahl: look at a map of shale formations across the country, and you'll see that there's production or exploration in over 30 states. it's an american energy renaissance. 10,000 wells will be drilled here in northwest louisiana in some of the poorest communities in the country, where impoverished farmers are becoming overnight millionaires, as they lease their land for drilling. >> c.b. leatherwood: i never dreamed of money like this. >> stahl: now you can do whatever you want? >> leatherwood: i can do what i want. >> sta