A Fix for Gerrymandering Both Parties Could Love

America’s political landscape has become a stinking mess. More and more states are joining the race to the bottom to gerrymander away the power of their voters. But we don’t have to hold our noses any longer — there’s a fix in sight. And it doesn’t even require a constitutional amendment.

It’s time to shift to the system most of the world’s advanced democracies use: proportional representation. It’s a power-sharing arrangement in which parties get seats according to their vote share.