Ba bambanci tsakanin gwamnatin Buhari da ta Jonathan - Rafsanjani Najeriya ta bai wa Amurka shawara kan Atiku Abubakar Mista Zuma zai gurfana a gaban wani kwamitin bincike, kan zargin almundahana da ta yi katutu a tsawon lokacin mulkinsa na shekara tara.
