Lately, I’ve developed an unhealthy fixation on the presidential election. Maybe you have too. The New York Times needle hasn’t started twitching yet, but for weeks now, I’ve had this full-body fourth-quarter feeling, and an impulse to speculate endlessly about people’s shifting moods in swing states. We are told that this race ranks among the closest in American history. I just want to know who will win. Nothing else seems to exist.Today, while we wait for the networks to start calling states, I’m trying to zoom out, to remind myself…