The runners and riders in the Corby by-election
Ed Miliband knows that the Corby by-election is going to be a crucial test for his leadership. If he wins, it will be his first constituency gain since he became leader and serve a nicely timed blow to David Cameron’s autumn relaunch. Expectations are high: Bradford West aside, Miliband has managed to increase Labour’s share of the vote in every by-election held in this parliament so far. If he loses, it will be seen as a bitter blow: voters normally punish the party that caused an unnecessary by-election. With a slim majority of 1,895, the Tory candidate faces an uphill battle to hold the seat. If Labour can’t take Corby when the government is trailing