TUCUMAN, Argentina (AFP) - The 10 leaders of the Mercosur trade bloc meeting here Monday and Tuesday are expected to condemn the EU's new immigration rules, discuss plans for regional integration and address the global food crisis. Ecuador President Rafael Correa, after arriving here Sunday, complained about the European Union's so-called "returns directive" that criminalizes illegal immigration, allowing up to 18 months' detention prior to deportation and banishment from the EU for several years. Correa called the measure a "shameful directive" and told reporters he would be among the first Mercosur leaders to sign a statement to condemn it. Bolivian...