By Parisa Hafezi and Andrew Mills DUBAI/DOHA (Reuters) - When $6 billion of unfrozen Iranian funds are wired to banks in Qatar as early as next week, it will trigger a carefully choreographed sequence that will see as many as five detained U.S. dual nationals leave Iran and a similar number of Iranian prisoners held in the U.S. fly home, according to eight Iranian and other sources familiar with the negotiations who spoke to Reuters. As a first step, Iran on Aug. 10 released four U.S. citizens from Tehran’s Evin prison into house arrest, where they joined a fifth, who was already under house a...
