Gail Collins: David, are you reconciled to the fact that Mitt Romney is going to be the Republican presidential nominee? David Brooks: Oh, I went through that phase a few weeks ago after the debate at the Reagan library. That’s the night I noticed Romney was the best candidate in the field. Since then I’ve noticed that he has given three debate performances that are better than any Barack Obama has given in his life. (Obama’s a better speechmaker, but Romney’s a better debater.) So now I’m settling into the idea that Romney might well be president. This will be...