CORAL GABLES, FL - DECEMBER 11:  Carlos Slim, Chairman, Grupo Carso attends the Clinton Foundations Future of the Americas summit at the University of Miami on December 11, 2014 in Coral Gables, Florida. The summit is bringing together leaders from the private, public, and civic sectors across Latin America, the Caribbean, Canada, and the United States to work on economic prosperity, investment, and innovation opportunities across the Western Hemisphere.  (Photo by Joe Raedle/Getty Images)