EGYPTIAN ASSERTS MOSCOW CAUTION CAUSED OUSTERS
Egyptian Pres Sadat on July 24 blames USSR's 'excessive caution' as ally for his decision to demand departure of Soviet mil personnel, speech, Central Com of Arab Socialist Union; says he will not permit complete rift to develop between him and Soviets; rejects suggestion that he turn to US to compensate for his difficulties with USSR; denies there had been contact with US before he announced ouster of Soviets on July 18; emphasis of speech is that Arabs now stand alone; illus of Sadat