Secretary of State John Kerry spoke Wednesday at a Department of Energy event at the U.S. Navy Heritage Center in Washington, D.C., where he noted the official implementation of the nuclear deal reached with Iran this summer. Throughout the negotiations with Iran, that country’s religious leader, Ayatollah Khamenei, frequently verbally attacked the United States, belittled the negotiations, and seemed to undermine key elements of the pending deal. In Kerry’s remarks Wednesday, however, Kerry told the audience that the “supreme ayatollah” had “formally embraced the agreement”: