US resident released from Iran custody says it eases tension

A Lebanese man with permanent U.S. residency who had been imprisoned in Iran for years on charges of espionage said Tuesday that he was subjected to "kidnapping, arbitrary detention and a show trial," adding that his release served to de-escalate tensions between the U.S. and Iran.In his first comments after arriving in his native Lebanon, Nizar Zakka denied reports that his release was part of a wider deal but suggested that it had helped avert further escalation in the region.Zakka's release c