How damaging is John Healey's resignation?

Available for over a year

How damaging is John Healey's resignation? Where would the Conservatives find more cash? How would the spin class handle this? Who will be the MMP for West Aberdeen and Kincardine? 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