How Theresa May Blew a Huge Lead in the U.K. Election

The decision to call a general election must have made sense at the time.

Prime Minister Theresa May was well aware she had heavily outscored her chief opponent, the Labour Party’s Jeremy Corbyn, on personal ratings since entering 10 Downing Street in July last year. Polls put her Conservative Party ahead of Labour by as much as 21% in mid-April. But she inherited a House of Commons majority of just 12 when David Cameron stood down after the 'Brexit' vote.