Full text. "When President Richard Nixon took office, he was confronted with evidence that Israel would soon have nuclear weapons. Now, with the aid of recently declassified documents, Avner Cohen and William Burr recount the untold story of the tense debate that erupted in the Nixon administration over whether Israel should be prevented from crossing the nuclear threshold. Nixon's final decisions would form the basis for the U.S.-Israeli policy of "don't ask, don't tell" that Cohen and Burr argue is now a burdensome anomaly."