FILE - In this Tuesday, Nov. 1 , 2011 file photo, U.S. soldiers begin their journey home at al-Asad airbase, west of Baghdad, Iraq. A year after the last American troops rumbled out of

 

              FILE - In this Tuesday, Nov. 1 , 2011 file photo, U.S. soldiers begin their journey home at al-Asad airbase, west of Baghdad, Iraq. A year after the last American troops rumbled out of
FILE - In this Tuesday, Nov. 1 , 2011 file photo, U.S. soldiers begin their journey home at al-Asad airbase, west of Baghdad, Iraq. A year after the last American troops rumbled out of Iraq, the two countries are still trying to get comfortable with a looser, more nuanced relationship as the young democracy struggles to cope with ongoing political upheaval and the legacy of war. (AP Photo/ Khalid Mohammed, File)