Trump threatens 'full' embargo on Cuba over Venezuela security support

President Donald Trump threatened on Tuesday to impose a "full and complete embargo" and further sanctions on Cuba if its Communist leadership does not immediately end its military support for Venezuela's socialist president, Nicolas Maduro.Trump issued his ultimatum to Havana in a message on Twitter as his administration threw its support behind opposition leader Juan Guaido's strongest call yet for the military to help him oust Maduro during a day of upheaval in the South American country.Also