Will Makerfield be the most important by-election ever?

Available for over a year

Will Makerfield be the most important by-election ever? How do you look after a lame duck? What small things wind you up about animals? Who will be the MMP for Walthamstow? Matt Chorley brings you the who, what, where, why and when of British politics. If you've got urgent questions... then email Chorley@bbc.co.uk