Donald Trump is impulse-driven, ignorant, narcissistic and intellectually dishonest. So you’d think that those of us in the anti-Trump camp would go out of our way to show we’re not like him — that we are judicious, informed, mature and reasonable.

But the events of the past week have shown that the anti-Trump echo chamber is becoming a mirror image of Trump himself — overwrought, uncalibrated and incapable of having an intelligent conversation about any complex policy problem.