The two-against-one dynamic harms the Tories while exposing Clegg's party to the charge of hypocrisy.
The Chancellor framed himself as a man who would take from the wealthy and give to the NHS.
By avoiding impossible demands on immigration, the PM put keeping Britain in the EU ahead of appeasing the Tory right.
The ruling against the former chief whip and David Mellor's snobbish attack on a taxi driver have confirmed the Tories' image as "the party of the rich".
Shadow work and pensions secretary says Conservative MPs apologised to her over Duncan Smith's claim that she had not bothered to vote.
Both of the main parties see political advantage in going it alone if they win in 2015.
The party is determined not to allow the Conservatives to make Labour failure the story of Thursday's by-election.
The Chancellor is still confronted by the awkward truth that for most people there is no recovery at all.
Trailing to Ukip on immigration and to Labour on the NHS, the Conservatives' best hope may be an economic slowdown that persuades voters the storm has not passed.
Both parties will be portrayed as unserious and lacking in credibility.