Tim MarshallTim Marshall is a leading authority on foreign affairs with more than thirty years of reporting experience. He was diplomatic editor at Sky News and before that worked for the BBC and LBC/IRN radio. He has reported from forty countries and covered coflicts in Croatia, Bosnia, Macedonia, Kosovo, Afghanistan, Iraq, Lebanon, Syria, and Israel. He is the author of Prisoners of Geography, The Age of Walls, A Flag Worth Dying For, The Power of Geography, and The Future of Geography. Read More Read Less