The Obama daughters aren’t the only ones with travel privileges. Vice President Joe Biden told a gathering on Monday that he likes to bring his grandchildren with him when he travels. “I literally—at Christmastime, Mr. Ambassador, I always sit with the kids the last five or—and say, well, where do you want to go this year? Because one of the great advantages of being vice president, I’m able to take, if I’m not going into a war zone, one of my grandchildren with me. And I do take them all. They’re good kids. They don’t get in the way. And...