Clegg and Cameron deny cuts unfair
David Cameron defends his "tough but fair" cuts while Nick Clegg accuses critics of "not being straight" in claiming the poorest will be hardest hit.
The country's most respected financial think tank says George Osborne's spending review will hit the poorest people hardest .
With everyone from politicians to pundits crunching the numbers the Institute of Fiscal Studies says those on the lowest incomes will lose a larger proportion of their pay and benefits.
The BBC's Political Editor Nick Robinson reports.
21 Oct 2010