Illinois EPA's Scott says states must influence federal policy on global warming

With several states having already created standards for reducing greenhouse gas emissions, Illinois joins the ranks with a new emissions-reduction proposal by Gov. Rod Blagojevich (D). During today's OnPoint, Illinois EPA Director Doug Scott discusses the proposal and Illinois' participation in the Chicago Climate Exchange. He talks about his state's controversial approval of a new coal-fired power plant. Scott also discusses state regulation of power plants and vehicle emissions.