At one time the US and Latin America defined themselves in common as new and American, in contrast to the old, European order, and they enjoyed a period of friendship and cooperation based on that sustaining sense of commonality. With the advent of the Cold War, however, hemispheric solidarity and alliance faded fast, as the US became preoccupied with other regions of the world it deemed of deeper strategic significance. The United States and Latin America now largely define each other as negative reference points, instead of as neighbors and allies. In Troubled Neighbors, Henry...