giving up the new leases on federal lands for natural gas. >> martha: well, doesn't work that way. renewalable energy except for hydro is far more expensive than natural gas, for example. what mr. sullivan was suggesting is americans pay much higher prices for their utilities and fuel their vehicles in return for some distant promise of renewable green energy. >> martha: the president and chancellor have walked out. let's listen in. >> we had a very productive meeting. i think our staff wondered whether we would let them in at all. we spent the first half hour together and it's been a very useful meeting. one of the things that struck me is the shared values that each of us a -- of us approaches