Cutting the number of MPs will also lose independent-minded backbenchers.
It's been ten years of failure and deceit.
Labour is rightly focussing on the big arguments for staying in, says Pat McFadden.
Edmund Burke could be a pretentious so-and-so, but he wasn't always wrong, says Chris Bryant.
What we can infer from this result about Labour’s wider electoral prospects is less clear. Jim McMahon has been widely praised, and it was a conscious decision by Labour to put their candidate front and centre, while their leader appeared almost exclusively on Ukip literature. Indeed the personal-versus-party vote is a theme likely to be revisited against the backdrop of next year's mayoral elections.
Most of the media, activists from both sides and politicians were surprised by Labour's big victory in Oldham West. What were we missing?
Jim McMahon was a great candidate, but Jeremy is a great leader, argues Liam Young.
10 million people - more than voted for Labour in May - will be excluded from the new electoral roll.
The Labour leader's fresh alternative has inspired members - and will see off Ukip in Oldham West and Royton.
The Paris attacks “must be a game-changer ," Ukip's candidate says.
A new poll shows Jeremy Corbyn in a commanding position among members - if not his MPs. Something will have to give - but I don't think it will be Corbyn.
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