washington president barack obama deputy crown prince saudi arabia friday discuss ways support iraqis fight islamic state militants importance political transition war-torn syria white house say obama meet mohammed bin salman oval office hour deputy crown prince visit unite state repair fray relations promote plan know vision 2030 slash kingdom dependence oil export president express appreciation saudi arabia contributions campaign isil white house say use acronym islamic state group two talk step support iraqis include increase gulf support fund urgent humanitarian stabilization need white house say u.s. officials express unease saudi-led campaign houthi rebel yemen accord unite nations human right group result large number civilian casualties saudi arabia worry close relations unite state iran riyadh arch enemy 2015 nuclear deal obama welcome saudi arabia commitment political settlement yemen conflict support gulf cooperation council kingdom member address humanitarian need rebuild country white house say syria obama prince talk importance support political transition away president bashar al-assad white house say unite state work international partner call syrian-led transition process facilitate unite nations far little progress 50 diplomats u.s. state department sign memo leak thursday critical obama administration syria policy call target military strike assad government ask memo saudi arabia foreign minister adel al-jubeir also washington tell reporters kingdom argue robust intervention include airstrikes no-fly zone no-drive zone begin five-year civil war obama see military solution crisis syria white house spokeswoman jen friedman say washington riyadh anticipate release classify page u.s. report sept. 11 2001 attack u.s. lawmakers allege link saudi government officials attack jubeir say investigations show allegations correct hold obama saudi prince focus iraq syria washington meet