RIO DE JANEIRO, BRAZIL - The resurgence of an old border dispute between Argentina and Chile may be just the tip of the iceberg of a more complex geopolitical panorama in the region.
The countries of the Southern Cone jointly fell victim to the violence and dictatorial terror of the 1960s and 1970s. And these countries also made the journey from dictatorship to democracy together in the 1980s and 1990s, with different . . .