For Prospect Magazine

I sit down opposite the Deputy Prime Minister just as the Prime Minister calls. We’re on a Great Western train from Bristol to London. Outside, the English afternoon is passing by in a blur of Betjeman and Brunel. We have cups of tea. Over the fields are massed a flotilla of Boris Johnson clouds—vaguely alarming, bulky and off-white.

This is early May and the Daily Mail has just published leaked private correspondence between Nick Clegg and Danny Alexander, his party colleague and Chief Secretary to the Treasury, that shows that the Liberal Democrats are “resisting” Tory plans to introduce mandatory sentences for knife crimes. When he arrived at Paddington, I heard Clegg say that he was “pissed off,” but now