Iran and the United States will hold a new round of nuclear talks in Rome on Saturday to resolve their decades-long standoff over Tehran's atomic aims, under the shadow of President Donald Trump's threat to unleash military action if diplomacy fails.

Iran and the United States prepared Saturday for a second round of negotiations over Tehran's rapidly advancing nuclear program in Rome The talks in Italy over Easter weekend again will hinge on U.S.

Make Iran dismantle its nuclear and missile programs. Then its top negotiator started softening his tone, and had to retreat.