I have never met Joe Biden, but since I live in DC, I know a lot of people who have. And they all say the same thing: he may not be a perfect man, but he is genuine in his warmth towards others. It’s not an act. He reaches out in many ways, but he’s most likely to do that when he sees someone suffering. Especially if that person is grieving. Biden knows grief. As we all know, his first wife and infant daughter were killed when he had just been elected to the Senate, in 1972. Yes, he went on to have an incredible political career. He remarried. But…