State Department spokeswoman Marie Harf sounded a dismissive tone Wednesday about warnings from two former secretaries of state about the nuclear agreement negotiated with Iran, saying she saw lots of “big words and big thoughts” in their evaluation but not “a lot of alternatives.” Harf was asked during her daily press briefing about a Wall Street Journal column by Henry Kissinger and George Schultz, which a reporter pointed out “raised a lot of questions about the deal.” “I think their piece was a little more nuanced than that,” Harf said, then also disputed another reporter’s suggestion that the assessment by...