Man of Honour
How did so many Labour MPs get on board?
They demanded some concessions, got them:
http://press.labour.org.uk/post/145526779829/labour-wins-major-concessions-from-government-on
The rest is now history:
http://www.computerworlduk.com/security/draft-investigatory-powers-bill-what-you-need-know-3629116/