By Francois Murphy and Arshad Mohammed VIENNA, Jan 24 (Reuters) – The United States is unlikely to strike an agreement with Iran to save the 2015 Iran nuclear deal unless Tehran releases four U.S. citizens Washington says it is holding hostage, the lead U.S. nuclear negotiator told Reuters on Sunday. The official, U.S. Special Envoy for Iran Robert Malley, repeated the … Continue reading EXCLUSIVE – Iran Nuclear Agreement Unlikely Without Release of U.S. Prisoners -Malley