regional will be the first time in more than 50 years that leaders from the previously estranged countries will have had a lengthy in-person exchange .
ahead of an anticipated run-in , if not a formal meeting , this weekend in at the seventh summit of the americas , the two presidents spoke by phone on wednesday for only the second , known time in as many years .
jorge leganoa , deputy director of cuba 's national information agency , this morning made the disclosure to the associated press .