In opposition, Cameron recognised the profound limits of Thatcher's approach. But in office he has retreated into dogmatism.
Thatcher squeezed public services but high unemployment meant spending rose by an average of 1.1% a year.
"She moved the centre ground of British politics," the Labour leader said. He is trying to achieve the same feat today.
How Barack Obama, Mikhail Gorbachev, Ed Miliband and others have responded to the former prime minister's death.
The Conservatives' claim to be anything other than a predictably right-wing party is the real casualty of last week.
Miliband will announce that the party would give councils new powers to limit the spread of payday lenders and betting shops on the high street.
The Tories' fratricidal infighting may well ensure an outcome they despise even more than their leader: the election of a Labour government.
The PM says welfare must not be "a lifestyle choice". But Philpott's wife and girlfriend were in work.
New figures from the party show that 643 bankers earning more than £1m a year will receive an average of £54,000 from the cut in the 50p tax rate.
Former prime minister says that the 2010 election "would have been tighter" if he had remained Labour leader.
Balls and Miliband will come under ever greater pressure to say whether Labour will match the coalition's post-election spending plans.
The Treasury says that Osborne was unaware his car had been parked in a disabled bay after he got lunch at an M4 service station.
The Chancellor's decision to exploit the public grief over the deaths of the Philpott children in order to make the case for cutting welfare is political opportunism at its worst.
440,000 families will lose £16.90 a week as they are hit by both the bedroom tax and cuts to council tax support.
Those calling for child benefit to be limited to the first two offspring need to explain why children should be punished for being born into large families.
The PM's decision to reject calls for a "viable cheaper option" represents an opportunity for Labour to woo the Lib Dems.
The task is to seek material gains through a new, less transactional politics.
David Cameron has already outlined the draconian cuts a Conservative majority government would make.
By seizing upon a moment of perceived hypocrisy, the petition made the welfare debate accessible to the public, says the UK director of Change.org.
Ministers consider plans to force workers to increase their hours or change jobs in return for receiving Universal Credit payments.
Excessive rents and substandard wages are to blame for soaring housing benefit payments, not workshy 'scroungers'.
Iain Duncan Smith's cabinet colleagues have chosen not to match his boast that he could live on £53 a week.
George Osborne abolished the top rate of tax after it "only" raised £1bn - but which welfare cuts could have been avoided for that amount?
The SNP could use Labour’s promise to maintain coalition austerity policies to increase union support.
A rare speech from the submarine Chancellor as more than 118,000 people challenge his cabinet colleague to live on £53 a week.
With hung parliaments likely to become the norm, the kind of strop that Tory MPs are now throwing will be utterly counterproductive.
The "bedroom tax", the new Poll Tax and the 1% cap on benefit increases will squeeze the poor as never before.
The new welfare system will now be piloted in just one area, rather than four, next month.
Tales of what might have been and what may be to come are a powerful and resonant part of the left's appeal.
After new evidence that job centres are being set targets, the Work and Pensions Secretary stands accused of misleading Parliament.