Wall Street Daily: The U.S. coal industry breathed a sigh of relief this week after the Supreme Court blocked President Obamas proposed limits on mercury emissions from power plants under the Clean Air Act.
The president had been enjoying a winning streak at the nations highest court. Recent decisions upheld his signature healthcare bill and the right of same-sex couples to marry in all 50 states.
His record on the environment, however, just took a significant hit.
This most recent case overturned one in...