The Labour leader needs to restore the faith of those he believed he offered a new political model.
The PM was forced to condemn his welfare minister for saying that disabled people may not be worth the "full wage".
The Labour leader tells a private meeting of his parliamentary party that he won't allow it to fall into "the bad habits of the past".
Miliband is still keen to promise a reduction from £9,000 to £6,000 despite shadow cabinet concerns over cost.
There is despair among MPs at the party's lethargy and lack of ambition.
Having previously praised the Labour leader, the Lib Dem president says he has failed to change his party.
Analysing the body politic.
Who is he and what does he stand for?
When Tony Blair addressed the 1996 Labour conference he knew he was on the verge of a big victory. By contrast, Ed Miliband arrives in Manchester with the nation facing a constitutional crisis and hatred of Westminster running high.
Rather than an infantry advancing on Downing Street, Labour resembled a wounded army in need of convalescence.