For reasons that are not made clear Tony Blair has been interviewed on CNN about the Iraq War and stated:
I apologise for the fact that the intelligence we received was wrong. I also apologise for some of the mistakes in planning and, certainly, our mistake in our understanding of what would happen once you removed the regime.
Link:http://www.theguardian.com/uk-news/2...n-rise-of-isis

Whilst he may persaude some he appears to have failed with all the UK press. For example 'The Mirror' a Labour leaning paper usually, although in 2003 opposed to the war:
(Blair) will never face up to the enormity of his actions. He will never say sorry for all he has done...The central charge against him remains woefully unaddressed – that he took this country to war upon a lie. And as a result of his actions 179 brave British soldiers lie dead, alongside thousands of US allies and untold numbers of Iraqi citizens.
Link:http://www.theguardian.com/media/gre...q-war-apology?

It probably doesn't help his "spin" the release of an official memo by Colin Powell:
According to Powell’s memo, Blair indicated to then US president George W Bush in March 2002 that the UK would support military operations in Iraq if necessary, a full year before the invasion. Blair has said repeatedly he had not committed the UK to the war until 2003.
Link to the memo:http://www.theguardian.com/politics/...bush-iraq-memo