I want to think aloud about the American dream. People have been saying for a while that it’s dead. It’s not, but it needs strengthening. We should start by saying what it means, which is something we’ve gotten mixed up about. I know its definition because I grew up in the heart of it and remember how people had long understood it. The American dream is the belief, held by generation after generation since our beginning and reanimated over the decades by waves of immigrants, that here you can start from anywhere and become anything. In America you can rise to the heights no matter where and in what circumstances you began....