The third round of talks in three weeks raised hopes for an Iran nuclear accord, which could avert a new Mideast conflict. President Trump said he believed a deal was within reach.

The United States and Iran on Saturday concluded their third round of "indirect" nuclear talks mediated by host Oman with both sides seeing progress in reaching a deal.

Allowing Iran to keep a civil nuclear program—never mind a weapons program—may set a bad precedent for nonproliferation efforts.