Carmen Merchan, 84, is sitting in a chair listening to instructor Lola Ortiz give directions. "Abrimos, cerramos, abrimos cerramos," Ortiz says over and over again. First Ortiz moves her left leg to ...
MEXICO CITYMEXICO CITY — Mexican tycoon Carlos Slim says his foundation is funding the translation of thousands of Khan Academy online classes into Spanish. The telecommunications billionaire says the ...
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