In my view, America has never had the opportunity to enter paradise. Europe enjoys the paradise it enjoys, in part because the United States provides the overall security that allows Europe to live in a system where military power is not a major issue.

More recently his book The World America Made has been publicly endorsed by US President Barack Obama and its theme was referenced in his 2012 State of the Union Address. Robert Kagan (born September 26 1958 in Athens Greece) is an American historian author and foreign policy commentator at the Brookings Institution.