BUSH: On our side there are people that prey on people’s fears and their angst as well. I don’t know about you, but I think it is wrong. I believe we need to unify our country. We need to stop tearing—separating ourselves by race and ethnicity and income. We need to focus on the things that tie us together. And whether it’s Donald Trump or Barack Obama their rhetoric of divisiveness is wrong. A Republican will never win by striking fear in people’s hearts. A Republican can win, and will win, if we have an aspirational message that gives people...