The Day After Election Day

There will of course be an Election Day — and it could be one of tumult, banners colliding, incidents at the polls and attempted hacks galore. More likely than not, it will end without a winner named or at least generally accepted.

America will probably awaken on Nov. 4 into uncertainty. Whatever else happens, there is no doubt that President Trump is ready for it.

I’ve spent the last month interviewing some two dozen officials and aides, several of whom are still serving in the Trump administration. The central sources...