 In 2007 David Finkel embedded with 2nd Battalion, 16th Infantry Regiment of the 4th Infantry Brigade Combate Team, 1st Infantry Division, also known as the "2-16 Rangers", as they worked to stabilize a portion of Baghdad.During this time he witnessed first hand the realities of war and the toll it takes on those who engage in it.Using his experience reporting on the United States activities in Yemen, David Finkel writes on the then ongoing Iraq War from the focused perspective of a single U.S. Army Infantry Battalion.