BUENOS AIRES - With Greece in danger of tumbling into the economic abyss it faces the haunting memory of Argentina in 2001, when the South American country defaulted on nearly $100 billion and was plunged into a crisis it is still battling back from.Like Greece, Argentina had been living beyond its means for years, dating back at least to the country's 1976 to 1983 dictatorship, when the junta jacked up military spending.The so-called "convertibility" plan successfully reined in the hyperinflation that had dogged Argentina for 40 years.