Agence France-Presse: As President Barack Obama tries to green the United States by slapping limits on carbon emissions, Congress has been was told to ignore his plan because climate change does not exist. “The right response to the non-problem of global warming is to have the courage to do nothing,” said British aristocrat Lord Christopher Walter Monckton, a leading proponent of the “climate change is myth” movement. The Third Viscount Monckton of Brenchley, who was an advisor to former British …