This Article challenges the basic premise in the law of gerrymandering that partisanship is a constitutional government purpose at all. The central problem, Justice Scalia once explained in Vieth v. Jubilerer, is that partisan gerrymandering becomes unconstitutional only when it “has gone too far,” giving rise to the intractable inquiry into “how much is too much.” But the premise that partisanship is an ordinary and lawful purpose, articulated confidently as settled law and widely understood as such, is largely wrong as constitutional doctrine. The Article surveys constitutional law to demonstrate the vitality of an important, if implicit norm against government partisanship across a variety of settings. From political patronage, to govern...