Bulletin of the Atomic Scientists

May/June 2003, Volume 59, No. 3

Nixing Nukes In Vietnam

By Peter Hayes and Nina Tannenwald

In 1966, a group of scientists studied the possible use of nuclear weapons
in Vietnam. Here's why their report advised against it.

As the Vietnam War escalated in spring 1966, a high-ranking Pentagon
official with access to President Lyndon Johnson was heard by scientist
Freeman Dyson to say, "It might be a good idea to toss in a nuke from time
to time, just to keep the other side guessing."

http://www.thebulletin.org/issues/2003/mj03/mj03hayes.html