Labour says Tories’ warning of ‘supermajority’ is cutting through to voters – why?

With a week to go until the last day of campaigning, there’s an odd paradox in the arguments the two parties are making.

The Conservatives are warning that Labour are on the verge of winning a massive majority in the House of Commons after July 4.

Meanwhile, Labour are saying that’s unlikely, and there’s still a chance that the public will...