 On February 9, Rusk was asked by Senator William Fulbright over his possible information in regards to a US tactical nuclear weapons introduction in South Vietnam report.Like other members of the Johnson administration, Rusk was shaken by the surprise of the Tet Offensive.During a news briefing at the height of the Tet Offensive, Rusk who was known for his courteous manner, was asked how the Johnson administration was taken by surprise, causing him to snap in fury