With a number of studies showing varying statistics on how much a federal cap-and-trade program will cost the average American, how can Congress accurately assess the true impact? During today's OnPoint, Eileen Claussen, president of the Pew Center on Global Climate Change, breaks down the numbers and discusses disparities among the studies. She explains why she does not believe there is an economic argument against cap and trade and gives her take on how inaccurate numbers and modeling may negatively affect Americans' perception of climate legislation.