Signs of things to come
"While I have no time for the welfare cheats, to try and blame this country's financial ills on that small category of the population, I think, is unethical"
"I find it somewhat immature, this turf war between your office and that of the Secretary of State for Work and Pensions."
The chancellor replied that his relationship with Iain Duncan Smith was "strong" and blamed Labour for the need to cut a welfare system which they had failed to reform.
Yvette Cooper for Labour attacked George Osborne for not being straight with the Commons - a charge she had to withdraw as "Unparliamentary".
It is a picture of politics for the next few months to come. Lib Dem unease, Tory attacks on Labour for causing the problem and - worth a few bob at the bookies perhaps - Yvette Cooper as the woman facing George Osborne at the despatch box.
As discussed here recently, whichever Miliband becomes leader may conclude that they can't live with her husband as shadow chancellor.