Sen. Shelley Moore Capito, R-W.V., recently joined with other longtime climate deniers to introduce a bill that would derail the Environmental Protection Agency's Clean Power Plan. The plan when finalized this summer would set the first-ever federal limits on the biggest source of carbon pollution: existing power plants.
Obama has used his pen-and-phone strategy to deal with issues like immigration, gun control, and health care. The approach has often led to legal battles. The latest move to end up in court concerns regulations to reduce carbon dioxide emissions, what has been billed as the centerpiece of Obama's plan to combat climate change.