Whether you’re a Republican or a Democrat, showing a little ideological daylight between yourself and the edge cases in your own party during the general election is helpful and smart politics. As a rule, your base is with you by that point, but you need more than the base to win. Winning politics is about addition, not subtraction. The shrinking, but still sizable, pool of independent and undecided voters is a nontrivial target in the key Electoral College states,
