As the President has indicated my life has been a life of travel - for 60 years constantly moving over the wide world on journeys which first and last have taken me to 83 countries and what is more significant to most of them again and again.
The beauty and riddle in studying the motives of any politician is in trying to decide what is idealism and what is self-interest, and often we are left to conclude that the answer is a mixture of the two.