The U.S. President said demographic changes combined with the "economic stresses" people have been feeling because of the financial crisis, technology and globalization have made life harder for those who rely on a steady paycheck.

La liberación de presos, con penas por delitos relacionados con drogas, se engloba dentro de la reforma de la justicia penal que impulsa el Presidente para acabar con el hacinamiento en las cárceles de EU