OPINION - Why Nigel Farage has done Keir Starmer a favour

Why did the 2017 and 2019 general elections produce two starkly different results? Both took place in the shadow of the EU referendum, both times Labour put up Jeremy Corbyn as its candidate for prime minister, and even when the Tories switched from Theresa May to Boris Johnson, they in fact turned to a *less* popular leader.