The Supreme Court emboldened opponents of the Obama administration’s environmental agenda Monday with its ruling against a major air pollution rule. Republicans and others who have railed relentlessly against the Environmental Protection Agency (EPA) in recent years are touting the decision as a validation of their accusations of executive overreach — and vowing to keep up the battle. While the ruling only directly affects the EPA’s limits on mercury and other toxics air pollutants from coal-fired power plants, opponents see it as a major win that would also hamper Obama’s most significant environmental rule, setting carbon limits for power plants/The Hill. More here.