DUBAI, United Arab Emirates (AP) — Iran and the United States began a fourth round of negotiations Sunday over Tehran’s ...

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The talks seek to limit Iran’s nuclear program in exchange for the lifting of some of the economic sanctions the U.S. has ...

Tehran called Sunday’s meeting “difficult but useful” as the two sides clash over future of Iran’s uranium enrichment.

Iran and the United States held a fourth round of negotiations Sunday over Tehran’s rapidly advancing nuclear programe, just ahead of a visit by US President Donald Trump to the Middle East this week.