In the last few years, statesmen and scholars have tended to relegate the cold war to the history books. With the Soviet invasion of Czechoslovakia, the old deep freeze has once again engulfed U.S.-Russian relations. Last week, in measured moves designed to express distrust and disapproval, both Defense and State Departments stiffened the U.S. posture against the Soviet Union.
Secretary of Defense Clark Clifford inaugurated the new stance by directing that the $5.5 billion Sentinel anti-ballistic-missile program be exempt from any of the budget cuts dictated by Congress this year. Though the ABM system is primarily designed to protect the...