Hill: A survey commissioned by an environmental group found that 6 in 10 voters support President Obamas landmark climate rule for power plants. The poll, released Thursday by the League of Conservation Voters, also concluded that 70 percent of United States voters want their state governors to comply with the regulation. Only 31 percent disagreed with the rule, and 17 percent said their states governors should not comply. The group characterized the support for the rule as an overwhelming majority....