Jeremy Corbyn's grip weakens on deeply divided Labour party following Syria vote

British bombing of Syria is likely to have little impact on the Islamic State leadership, but the push for military action has already seriously degraded the state of Jeremy Corbyn's leadership of the Labour Party.
The life-long pacifist, former head of the Stop the War Coalition, and avowed republican who now finds himself surprise leader of what is officially known as Her Majesty's Loyal Opposition is actually at the head of two very different parties - the grass roots one which overwhelmingly elected him, and the parliamentary one which overwhelmingly distrusts him.