Putin is an adept power-patter, adding a paternal pat to his shakes with world leaders in a bid to register dominance It was a meeting of two strong personalities. There was a powerful man in the room, and it wasn’t Vladimir Putin. It began with a backstage meeting at the G20 Summit. Mounted cameras caught the whole thing. Trump knows how to walk into a room. He’s charismatic and shaken by no one. With the confidence he exhibited approaching the Russian President, I almost expected the American President to say, “Trump, Donald J. Trump.” (cue secret agent music) It was...