Recent media reports suggest Labour MPs may be gearing up to move against Jeremy Corbyn. This is supposed to happen before a change in rules could see the number of nominations needed for any would-be candidate to enter a leadership contest reduced. Yet Corbyn was not elected by mistake, explain Tim Bale, Paul Webb and Monica Poletti. A large number of Labour members – whether they joined before or after Corbyn was nominated by MPs – wanted what they got. Persuading them to change their views now they’ve got it will not be easy