Remember when Eric Joyce headbutted a man and four years later, Britain voted to leave the European Union? In February 2012, the then Labour member for Falkirk attacked Conservative MP Stuart Andrew in Parliament's Strangers' Bar and was promptly suspended from the party.
The subsequent selection process for his seat produced a complicated party squabble (I'm really not going to get into it, we are already miles away from what this newsletter is supposed to be about) involving Labour, Unite the Union, Tom Watson and Karie Murphy.