 He hoped that all the major powers would nevertheless recognize that "big-power confrontation by proxy is so repulsively destructive of the welfare of the proxies as to render its repetition elsewhere inconceivable".He also described the Pentagon Papers as "stolen property" and objected to those who ignored the violation of government secrecy standards because the revelations supported their political judgment.Bonsal published a memoir, "Cuba, Castro and the United States," in 1971.