When Theresa May called her disastrous snap election, she justified it by saying she needed a longer and stronger mandate to negotiate a Brexit deal. Her campaign was based on the claim that she embodies strength and stability, and is therefore a better negotiator than her Labour rival, Jeremy Corbyn.
May’s much-derided “strong and stable” slogan boiled down to the idea that it was self-evident that Britain needs a strong domestic position to negotiate to its advantage, and to strongarm the EU into giving it concessions. Labour tried to convince the electorate that it could
