Andrew Preston and Gordon Goldstein provide two very different looks at National Security Advisor McGeorge Bundy’s role in the decision to escalate America’s war in Vietnam. Preston hones in on Bundy’s Cold War worldview, inherited largely from his mentor Henry Stimson, and his efforts to concentrate power in the National Security Council, which put him in a critical if not decisive position to shape U.S. policy towards Vietnam during the years in which Washington made the decisions for war. In doing so, Preston challenges what he sees as too great an emphasis on presidential decision-making in extant literature on the war’s escalation. Goldstein, on the other hand, working largely from interviews and conversations conducted with Bundy just before the latter’s death, writes a sympathetic account of Bundy’s involvement in the war’s escalation. While certainly not uncritical, Goldstein’s conclusions often align with Bundy’s, especially in highlighting the paramount responsibility of the commander-in-chief to accept or reject his cabinet’s advice and make decisions for war or peace unilaterally. Goldstein’s contribution, it seems, is less in explaining why Bundy advocated the policies he did or even the weight those recommendations carried with the president, and more in illuminating how the former national security advisor made sense late-in-life of his involvement in the critical decisions to wage war in Vietnam.