Turns out that when Donald Trump recently warned Iran’s president on Twitter that more threats against the United States would bring “CONSEQUENCES THE LIKES OF WHICH FEW THROUGHOUT HISTORY HAVE EVER SUFFERED BEFORE,” it was just the first part of his message. The second was, essentially, “AND IF YOU’D RATHER TALK, I’D LOVE TO!” Or, as he put it on Monday at a press conference with Italy’s prime minister, “I would certainly meet with Iran if they wanted to meet,” with “no preconditions.” When Barack Obama, who Trump accuses of being soft on America’s adversaries, said he was willing to meet with the leaders of foes such as Iran and North Korea without preconditions back in 2007, he was ridiculed by Republicans and even Democrats like Hillary Clinton as hopelessly naive. But at times Trump has embraced a surprisingly Obama-like approach to the power of dialogue. “I’ll meet with anybody. I believe in meeting,” Trump said on Monday, “especially when you’re talking about potentials of wa...