Gerson column: What follows Trump’s menacing rhetoric?

The rhetorical intensity of Donald Trump’s anti-impeachment campaign, measured on a scale of one to 10, has begun at 11.25. The whistleblower is “almost a spy” who may be guilty of “treason.” House Intelligence Committee Chairman Adam Schiff, D-Calif., should be arrested for “treason.” Both are part of a “COUP” which — if successful — could provoke a “civil war.”