Politicians need a stronger peer-review system that goes beyond the churlish opprobrium of the campaign trail, and I would love to see a political debate in which the candidates were required to make the opposite case.

• 而政治人物除了选战里的恶毒攻讦外，同样需要极具权威的同侪检视系统，我会很乐于见到候选人必须在政治辩论会以相反立场进行答辩。