The Week That Changed America Forever Listen Download Embed Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email A U.S. military convoy moves into the Mekong Delta town of Rach Kein located some 20 miles southwest of Saigon, Vietnam, Jan. 5, 1967. ( Horst Faas / Associated Press ) Produced by Oliver Lazarus Produced by PRI and WNYC