The next general election isn’t due until 2022 but the Brexit crisis is shortening the odds on it happening sooner, possibly as early as next spring. The Conservative Party would be seeking a fourth term in office, its approval ratings are low, and, while it has gained a few new supporters in safe Labour seats that it cannot win, it has been losing ground in marginal seats that it holds. What’s more, its endless internal squabbles are alienating voters.

Which makes this a very good time to start thinking what a Corbyn government would be like.

It is easy to dismiss Jeremy Corbyn as “someone who hasn’t had a new idea in 30 years” (which voters find quite an attractive trait, by the way), or