Rusk Says China Must Decide; Issue of Wider War in China's Hands, Rusk Says
Rusk says US-Chinese confrontation will depend upon China, since US is going to meet its commitment in S Vietnam, news conf; illus; blames N Vietnam for absence of negotiations; urges USSR to join GB in calling for Geneva conf; stresses presence of N Vietnamese troops in Laos and their use of Laos as corridor to S Vietnam; acknowledges some US flights over Laos