 In December 1965, when McNamara first told Johnson that the "military action approach is an unacceptable way to a successful conclusion" and urged him to pause the bombing of North Vietnam, Rusk advised the president that there was only a 1 in 20 chance that a bombing pause would lead to peace talks.However, Rusk argued for the bombing pause, saying "You must think about the morale of the American people if the other side keeps pushing.We must be able to say that all has been done".