The Huhne and Rennard scandals mean defeat will be portrayed as a humiliating set-back for Cameron.
The Conservative peer and former deputy chairman on his fascination with polling and why Tory modernisation must continue.
He's one of the Tories’ least understood assets. By pouring money into polling, he has given the party one of its most lethal weapons — but now will Michael Ashcroft unleash his power over information to destroy Cameron?
The Chancellor chose to make Britain's AAA credit rating the ultimate test of economic stability. Tonight, he has been hoist with his own petard.
Defeat in Eastleigh, a higher deficit, a triple-dip recession, poor local election results and the loss of Britain's AAA rating could prompt a new revolt by Tory MPs.
No, but it’s struggling to catch up with the challenge of 2015.
Tories accused of hiding Eastleigh by-election candidate after she stays away from Radio 5 Live debate.
If the aid budget becomes a means of plugging the shortfall in defence spending, aid campaigners will feel they have been misled.
The Tories' opposition to a mansion tax puts them on the wrong side of the new divide in British politics.
The Chancellor appears to rule out a 10p tax rate for the Budget and says raising the personal allowance is "a better policy".