Gavin Barrett: The art of the do-over

Last week saw the end of David Cameron’s six-year tenure as British prime minister. Like Tony Blair, his reputation will be permanently blighted by a single terrible miscalculation: in Cameron’s case, the foolhardy decision to instigate June 23rd’s disastrous Brexit referendum.

The consequences of that vote have so far included a plummeting currency, share price falls, a threatening recession, uncertain economic prospects and renewed fears as to the future of Britain itself (not ...