The Memo: Threats to democracy are stark one year after Jan. 6

One year after the Jan. 6 insurrection, the threats to American democracy are just as grave as they were on the day itself.

Hopes that the riot at the Capitol might have been an aberrational event — a grim one-off, and a shock that that could even serve to bring the nation together in its aftermath — have proven wrong.

Initial condemnations of President Trump from within his own party have mostly faded away, even though he would become the only president in American history to be twice impeached soon after...