The US is the biggest military spender in the world. The American president took pride in that fact, pointing out that it's as big as the next eight countries combined. Despite the steady flow of money, the wars that America are fighting in the world, particularly in the Middle East, are not going all too well, with Islamic State still running wild and the Taliban never ceasing their onslaughts. Does all that money spent on war yield any fruits, or it would've been better spent for education and fighting poverty? Why is number of conflicts America's gets itself involved in growing every day? Finally, with all this bloodshed, what is the US protecting itself from? We ask Veteran American Foreign Service officer, author and ambassador: Dan Simpson is on Sophie&Co today.