Rory Stewart is the Ryan Family Professor of the Practice of Human Rights and  director of the Carr Center for Human Rights Policy at Harvard Kennedy School and a member of the Belfer Center Board of Directors. A former  officer in the British Army and deputy governate coordinator with the Coalition Provisional Authority in Iraq, Stewart spent two years walking 6,000 miles across Afghanistan, Pakistan, India and Nepal - a journey he describes in his critically acclaimed book  The Places in Between.