In America, we value the principle of “one person, one vote.” We believe that everyone’s vote should matter. And we value smooth transitions from one presidential administration to the next. We don’t expect our candidates to win all the time, but we at least expect for everyone’s vote to count equally towards the results. Yet for presidential elections, we have a system that ignores this cherished principle. Instead of going by the national popular vote, we have a state-by-state, winner-take-a...