And how the president meets them

Advocates of a president’s removal from office by Congress should have to climb over four walls to reach their objective. First, they should have to show that the facts they allege are true. Second, they should show that the fact pattern amounts to an abuse of power or dereliction of duty by the president. Third, they should show that this abuse or dereliction is impeachable. And fourth, they should show that it is prudent for Congress to remove the president for this impeachable offense: that it would produce more good than evil.

If the advocates can scale all four walls, then …