Dean Rusk compared his position as secretary of state in the 1960s to a soldier in a foxhole, defending America against the communist alliance. Author Thomas W. Zeiler writes that the foxhole really represented the universalist ideals Rusk cherished, beliefs that were overrun by the Cold War, by the realism of the two presidents he served, and ultimately by the Vietnam War. With an eye closely on Rusk's liberal internationalism, Dean Rusk...