It’s really hard to impeach a president. The founders included the provision, from the very start, as the weakest, “break the glass in case of emergency” mechanism for reining in an out-of-control executive. He was already subject to a four-year term, so he would remain answerable to the people, and to two other branches of government, which could box him in constitutionally. But the founders’ fear of creeping monarchism — the very reason for their revolution — and their deep realism about human nature led them to a provision, rooted in English constitutional precedent, whereby a rogue president could be