This is the ‘big squeeze’ election – with Brexit still the driving force

Liberal Democrat leader Jo Swinson speaks to supporters during a general election rally in London, 9 November 2019.Photograph: Tolga Akmen/AFP via Getty ImagesHere are two numbers to bear in mind this election season: 83% and 23%. The first is the combined haul of the Conservatives and Labour in the 2017 general election, the highest since 1970. The second is their combined share in this year’s European parliament elections, the lowest in a nationwide poll since the mass franchise was intr