Growing up in Miami among Cuban exiles who fled Fidel Castro's revolution, Sen. Marco Rubio developed a deep hatred of communism. Now as President-elect Donald Trump's choice for America's top diplomat, he's set to bring that same ideological ammunition to reshaping US policy in Latin America. As the first Latino secretary of state, Rubio is expected to devote considerable attention to what has long been disparagingly referred to as Washington's backyard. The top Republican on the Senate Select Committee on Intelligence and a longtime member of the Foreign Relations Committee, he's leveraged his knowledge and unmatched personal relationships to drive US policy in the region for years. For decades since the end of the Cold War, Latin America has faded from the US foreign policy agenda even as US adversaries like Russia, Iran and especially China have made deep inroads. If confirmed, the Florida Republican is likely to end the neglect. But Rubio's reputation as a national security ha