Deputy Prime Minister wades into political debate prompted by comedian on BBC Two's Newsnight
Cameron fares better – but since the last election there has been little switching between Tory and Labour voters
By admitting the Lib Dems have blocked popular Tory measures, Clegg took a big risk, say critics
Lib Dems' Danny Alexander says wealthy must bear more of burden – but what does 'wealthy' mean?
Private document wrongly sent to press, shows Lib Dems count anyone earning £50,000 a year as rich
Cable could still do a deal with Labour at the next election - but 'Tory' Clegg would find it difficult now
Two new polls show that Ed Miliband is a drag on Labour's chances of winning the 2015 election
Members of all three main parties believe that 'compelling new evidence' requires a fresh vote – but PM is adamant it won't happen