Letters: Les Bright wants MPs to challenge every decision and use the full force of parliamentary procedure to expose the truth, David Kynaston thinks more people should lose their temper about ‘a quiet coup’, while Elizabeth Brett is replaying Barack Obama’s speech

Letters: Readers respond to a piece by Martin Kettle in which he says the party needs to take time for judgments to settle about its descent into the electoral abyss

Letters: Christopher Rainger thinks Keir Starmer should say ‘No Brexit’ is the best ‘Jobs Brexit’. But John Doherty recalls David Cameron’s pledge that the referendum would be final. And Peter McKenna says that if anyone led the Brexit charge it was Tony Benn

Letters: Just as the Guardian is changing format, so can the EU, but Labour must also change its approach to Brexit, says Nick Mayer, while Mike Harding explains why he has torn up his Labour membership card