If and when Congress passes a cap-and-trade plan, what will the key challenges be to implementing the scheme? How will regulators avoid corruption within the system? During today's OnPoint, Scott Schang, vice president of climate and sustainability at the the Environmental Law Institute and editor in chief of Environmental Law Reporter, discusses the challenges associated with implementing a cap-and-trade scheme in the United States. He addresses concerns over corruption and talks about the economic impacts of cap and trade.