Kammala wannan jumla: Riedel ya kasance mai ba da shawara kan manufofi ga
Yaƙin neman zaɓe na Barack Obama na shekara ta 2008. A watan Fabrairun 2009, Obama ya nada shi shugaban kwamitin nazarin Fadar White House da aka kafa don sake fasalin manufofin Amurka kan Afghanistan da Pakistan.