Speaking to the BBC, he said: "What I say is maybe having been through all of this, having faced these decisions in government and having faced the difficult choices in Iraq after 2003, and when the very type of terrorism that we're facing today we faced then, maybe it's worth appreciating the fact that there are lessons I have learnt from the experience of having gone through the process of taking these decisions, of having to deal with the situation in Iraq where, as I say, precisely the same type of terrorist forces we were facing in Iraq in 2006-07 is exactly what we face now in 2014."