 The former president's diary and telephone records show that the pair met only three times, for a total of less than five hours.Rives has stated that interview dates Ambrose cites in his 1970 book, "The Supreme Commander", cannot be reconciled with Eisenhower's personal schedule, but Rives discovered, upon further investigation, a "hidden" relationship between the two men.Eisenhower enlisted Ambrose in his efforts to preserve his legacy and counteract criticisms of his presidency, particularly those charging that Eisenhower's actions at the end of World War II produced the Cold War.