Madaxweynaha dalka Maraykanka, Barack Obama oo maanta khudbad ka jeediyey Xarunta Dhexe ee Ururka Midowga Afrika ee magaalladda Addis Abeba, ayaa sheegay inay Maraykanka diyaar u yihiin Nabadda iyo Horumarka Afrika iyo in lala dagaalamo Kooxaha Islaa