Having recently discovered the joy of the Clerihew, here is a selection: John BercowHad to go.His antipathy to BrexitAssured his own exit. The philosopher PlatoWas no couch potato.He went on the wagonAnd said “μηδὲν ἄγαν”. Jeremy CorbynWas not voted in.His Marxist cant rejected,It was to be expected. Gordon BrownWas no man about town.The voters found …