From coal to climate change.. Don Blankenship, CEO of Massey Energy spars with Robert F. Kennedy Jr, environmental activist.Clean Skies News takes you to the debate at the University of Charleston, West Virginia.Also, Secretary of Energy Steven Chu says putting a price on carbon "isn't enough".And, A new "Nature" study co-written by researchers from nine institutes in the US and abroad, says upper level ozone levels in western states are on the rise. The culprit...Asia.