June 18 will be a day that affects British history. And a surprising figure could play a key role. Rupert Lowe, leader of a political party with exactly one MP, Mr Lowe himself, could decide the outcome. The Makerfield by-election takes place on June 18, and this is when we will know whether Andy Burnham returns to Parliament as an MP or not. If he fails here, the shine will come off him. It’s a north west seat, and that’s where Mr Burnham is meant to be popular. The constituency has had a Labour MP since it was created in...