“We don’t need to escalate; you see war is not the answer”. These lyrics were written by soul legend Marvin Gaye, for his classic “What’s Going On” album in 1971. Sadly, we did not heed his warning. When Tony Blair became British Prime Minister in 1997 he had no previous ministerial experience. Yet by the time he left Downing Street in 2007, he had led Britain into 5 wars. Although …