April 7, 1954: President Eisenhower coined one of the most famous Cold War-era phrases when he warned of a "domino theory" which stipulated that if one country in a region — say, Vietnam — fell to communism, that others would eventually follow. The domino theory would influence President Kennedy — and particularly President Johnson — to increase U.S. involvement in Vietnam.

April 7, 1977: President Carter deferred production of the neutron bomb — a weapon designed to kill people but leave buildings standing.

Quote of the Day

"An enemy generally says and believes what he wishes." — Thomas Jefferson

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