President Trump proved he actually does have a sense of humor about himself by joking at Saturday night’s annual Gridiron Club dinner in Washington about a meeting with Kim Jong-un. Trump said he’d talk with Kim, but the North Korean dictator would be facing “the risk of dealing with a madman.’’ Trump began his remarks by saying it was “an honor to be at the dinner,’’ and telling the audience of journalists that they’re “really quality people.” Then he went for laughs. “Another calm week at the White House,” he said, “we finally have it running like a fine-tuned machine.”...