HAVANA (AP) — U.S. Secretary of State Marco Rubio on Friday defended the Trump administration’s decision to slap new sanctions on Cuba , the largest of which is against GAESA, or Grupo de Administración Empresarial S.A., a business conglomerate operated by the Cuban Revolutionary Armed Forces. In addition to GAESA and its leader, the sanctions announced Thursday included Moa Nickel, a Cuban joint venture with Canada’s Sherritt International, which immediately announced it would withdraw from