Richard Nixon actually said...
Fundamentally, it is essential for the American people to be alerted to this danger, to recognize that it is a danger that will not pass with the passing of the war in Vietnam which has brought to our attention the fact that a number of young Americans have become addicts as they serve abroad, whether in Vietnam, or Europe, or other places.
Context
Remarks About an Intensified Program for Drug Abuse Prevention and Control
06/16/1971