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sale floxin On Tuesday, the highly anticipated results of the Program for International Student Assessment were released???and like clockwork, out came a barrage of media stories hyping the results. The PISA exam, which tests the proficiency of half a million 15-year-olds around the world in math, science and reading every three years, has become a trusted gauge of which national economies are set to fire on all cylinders and which will sputter to a halt. This year's theme: Asian students continue to trounce Americans.