When John Kennedy stood before the world in 1961 and proposed his Alianza para el Progreso, his dream was a partnership that would strengthen the economic and democratic institutions of Latin America. Since then, the U.S. has sunk $3.7 billion into Latin America. Yet it remains a continent of upheaval, swept by persistent revolution that betrays a discouraging inability to maintain a stable government. Last week's revolt in Bolivia marked the ninth time a military regime has taken power by force in the last four years.
Counting the brutal dictatorships in Cuba and Haiti and the more or less benevolent...