washington two senior republican u.s. senators criticize secretary state rex tillerson sunday say russia may right approach syria call lack focus afghanistan pakistan statements syria really disturb russian president vladimir putin right come syria senator lindsey graham say separate television interview graham senator john mccain prominent republican foreign policy voice take aim tillerson remark last week russia may get right approach unite state wrong approach syria russia back president bashar al-assad syria civil war unite state support rebel group try overthrow mccain tell cbs face nation sometimes regret back tillerson nomination republican president donald trump comment russia right syria make emotional upset know slaughter like know russians know bashar assad go use chemical weapons say maybe get wrong approach say senators back nomination tillerson january even express concern deal russia chief executive exxonmobil xom.n graham visit afghanistan pakistan last week mccain accuse tillerson awol two countries fail fill key state department post worry state department graham say nbc meet press state department official respond criticism tillerson say u.s.-russian-brokered ceasefire southwest syria example secretary describe potential coordinate russia spite unresolved differences produce stability serve mutual security interest official want identify also say state department take active role review afghanistan pakistan policy continue work white house nominations since exit foreign troop 2014 afghanistan u.s.-backed government lose grind taliban insurgency war kill maim thousands civilians year two senior republican senators criticize tillerson comment russia