republican line, with congressman rick boucher. caller: i worked in a power plant for 33 years, cold-fired. -- coal-fire. it was dirty. when technology can through, when i retired at 84, all the available -- that is not enough for you people. you have to keep throwing this stuff at us. it is going to cost early, sir, for the power plants to have the cap and trade, and it is going to go right on the people. now, people in your -- al gore claimed that the climate change, man-made, so-called, it is nothing but a theory, sir. it has not been proven. it has not been proven that it is man-made. guest: first, let me say that we have consulted, over 2.5 years now, with the electric utility industry, and primarily with those electric utilities that are using coal in order to generate electricity. let me just note one in particular. the largest coal-fired utility in the united states is american electric power, and chief executive officer of american electric power, michael morris, has been a frequent participant with us in hearings before t