Tim Marshall is a leading authority on foreign affairs with more than 30 years of reporting experience. He was diplomatic editor at Sky News, and before that he was working for the BBC and LBC/IRN radio. He has reported from 40 countries and covered conflicts in Croatia, Bosnia, Macedonia, Kosovo, Afghanistan, Iraq, Lebanon, Syria, and Israel. He is the author of the New York Times bestseller Prisoners of Geography, The Power of Geography, The Age of Walls, and A Flag Worth Dying For. He is founder and editor of the current affairs site TheWhatandtheWhy.com.