While Labour made some mistakes - notably in failing to regulate the banks sufficiently, blaming it for today's problems was a strategy "based on total fiction", he insisted.
In a 50,000-word report published today, a three-man tribunal exonerated First Lord of the Admiralty Lord Carrington, and Thomas Galbraith, former Admiralty civil lord, of any blame in failing to halt Vassall's spying.
The long-awaited intelligence committee report into the murder of Fusilier Lee Rigby essentially clears the intelligence agencies of blame in failing to prevent the attack by two Islamist jihadist killers but throws up controversial issues, especially the role of internet companies.
Also, the crew members of the AWACS aircraft were blamed for their inaction in failing to exercise appropriate control and for not intervening in the situation.
Hart, 47, has been repeatedly criticised for failing to accept blame, in spite of detailed evidence of his staying all night on internet chatrooms before setting out on a 145-mile (230km) journey to work at 4.40am.
The education system can be to blame, failing to give youngsters the skills that are needed for jobs in advanced economies.
Is failing education to blame?
But Prof Piot said pharmaceutical companies were not to blame for failing to develop a vaccine for Ebola in the four decades since.
But the Chartered Institution of Water and Environmental Management say the government is to blame for failing to heed the agency's warning on investment in flood management.
Although she blamed the women in her sons' lives for a while, she also came to blame herself, for failing to educate them properly.
