Editorial: Slouching toward November: A massive effort is needed to prevent a vote-counting debacle on Election Day

Lest we change course, we are hurtling toward a disaster of epic proportions. Four years ago, Russian agents interfered to aid Donald Trump with propaganda and other dishonest meddling. There’s no reason to think that they or someone else won’t try something this year; we must be ready, and there are troubling signs to the contrary. But now another, probably bigger enemy to safe voting is …