Since March, South Korea and the United States have pondered how to respond to North Korea after the torpedo sinking of a South Korean naval ship that left 46 sailors dead.
It was the case, too, in 1969 after North Korean fighter jets shot down an American spy plane. Then, President Nixon and his national security adviser, Henry Kissinger, considered a range of military responses, up to the possible use of nuclear weapons, according to newly disclosed documents.
SUBSCRIBE AND FOLLOW
Get top stories and blog posts emailed to me each day. Newsletters may offer personalized content or advertisements.Learn more