Exclusive-US, Iran leave door open to dialogue after tense Islamabad talks
By Ariba Shahid, Parisa Hafezi, Saad Sayeed, Asif Shahzad and Humeyra Pamuk ISLAMABAD/DUBAI/WASHINGTON April 13 (Reuters) - After a sleepless and at times tense night in Islamabad, Iranian and U.S. officials ended their highest-level talks in decades https://www.reuters.com/world/iran/ without a