President Obama, in an address denouncing critics of the Iran nuclear agreement, warned that America’s international credibility would be lost if Congress kills the deal. How successful was the president in making his case? Gwen Ifill gets views from Ray…

Aug 02

Obama to impose steeper cuts on power plant emissions

President Barack Obama will impose even steeper cuts on greenhouse gas emissions from U.S. power plants than previously expected, senior administration officials said Sunday, in what the president called the most significant step the U.S. has ever taken to fight…