Political Cortex: Brain Food for the Body Politic

U.S. intelligence officials in 1964 skewed evidence of an attack on two U.S. destroyers in the Gulf of Tonkin to support claims of communist aggression that led to a massive escalation of the Vietnam War, according to a newly declassified government document.

An article by a National Security Agency historian, released by the NSA this week along with intelligence reports and other related documents, said officials at the spy agency withheld nearly 90 percent of intelligence on the August 4, 1964, incident to back allegations of a North Vietnamese attack.