In the 1990s, few countries were more lionized than Argentina for its efforts to join the club of wealthy nations. Argentina's policies drew enthusiastic applause from the IMF, the World Bank and Wall Street. But the club has a disturbing propensity to turn its back on arrivistes and cast them out. That was what happened in 2001, when Argentina suffered one of the most spectacular crashes in modern history. With it came appalling social and political...