 After a Soviet arms buildup in Cuba, President John Kennedy addressed the American people with the world on the brink. This sudden, clandestine decision to station strategic weapons for the first time outside of Soviet soil is a deliberately provocative and unjustified change in the status quo, which cannot be accepted by this country if our courage and our commitments are ever to be trusted again by either friend or foe. The 1930s taught us a clear lesson. Aggressive conduct, if allowed to go on...