Before we make political partisanship a felony, punishable by endless lectures from weather-vane senators and allegedly “wise” commentators, let’s remember that some choices are real, consequential and mutually exclusive.I’m not talking about the kind of scorched-earth partisanship that Senate Minority Leader Mitch McConnell espouses — the notion that Republicans should favor anything that’s politically harmful to Democrats, never mind what the impact on the c...