Nate Hagens returns to discuss evolution, addiction and economic demand; or, how our brains trick us to want more than we need. Nate is a former Wall Street investments manager and has an MBA from University of Chicago. He is completing his doctoral studies at the University of Vermont's Gund Institute for Ecological Economics. Nate is also an editor for The Oil Drum, an online source for news, analysis and discussions about energy and our future. Jason Bradford hosts The Reality Report, broadcast on KZYX&Z in Mendocino County, CA.