Senior Republican lawmaker John McCain warned Tuesday that the United States-led coalition is headed for "slow, grinding failure" unless it scales up the fight against the Islamic State (ISIS) group in Syria and Iraq.
"I bore witness to the failed policy of gradual escalation that ultimately led to our nation's defeat in the Vietnam War," Senator McCain, a Navy veteran who heads the Senate Armed Services Committee and ran against Barack Obama in 2008, wrote in a letter to Defense Secretary Ash Carter.