Obama opens door to direct Iran talks

UNITED NATIONS -- President Barack Obama opened the door to direct nuclear talks with Iran's moderate new government Tuesday, declaring diplomacy worth pursuing though skepticism persisted about Tehran's willingness to back up friendly overtures with concrete action.

"The roadblocks may prove to be too great, but I firmly believe the diplomatic path must be tested," Obama said during an address to the United Nations General Assembly.

The U.S. president's remarks were to be followed hours later by the international debut of Iranian President Hasan Rouhani, a moderate cleric elected in June. Since taking office, Rouhani has launched a charm offensive with the west, calling for a new start in relations with the U.S. and declaring that Iran is not seeking a nuclear weapon.

Rouhani's overtures have been welcomed by the White House, stirring up speculation the U.S. and Iranian leaders might meet on the sidelines of this week's U.N. meetings. Even a brief encounter would be significant, given that American and Iranian leaders have not had any in-person meetings in 36 years.

However, Rouhani skipped a U.N. leaders' lunch Tuesday afternoon, erasing one possible opportunity for Obama and him to meet. The U.S. president was scheduled to depart the U.N. later Tuesday for a health care event and Democratic fundraiser elsewhere in New York before returning to Washington.

The possible diplomatic thaw between the U.S. and Iran was being watched warily by Israel, which has long sought tough punishments against Tehran in retaliation for its nuclear program. Prime Minister Benjamin Netanyahu on Tuesday warned that the world "should not be fooled" by signs of moderation by Rouhani.

"Iran thinks soothing words and token actions will enable it to continue on its path to the bomb," Netanyahu said.

The U.S. and its allies have long suspected Iran is trying to produce a nuclear weapon, though Tehran insists its nuclear activities are only for producing energy and for medical research.

Even without a meeting between Obama and Rouhani, it was clear the U.S. and Iran were edging close to direct talks. Obama said he was tasking Secretary of State John Kerry with pursuing the prospect of a nuclear agreement with Iran. Kerry, along with representatives from five other world powers, is to meet Thursday with Iran's new foreign minister, Mohammad Javad Zarif.

If Kerry and Zarif hold one-on-one talks on the sidelines of that meeting, it would mark the first direct engagement in six years between a U.S. secretary of state and an Iranian foreign minister.

A spokeswoman for Zarif said Thursday's meeting indeed would mark the beginning of a "new era" in relations with the West.

Zarif was among the Iranian officials in the hall for Obama's address Tuesday. A U.S. delegation will be in the hall for Rouhani's speech, and the reaction will be closely watched. American officials sometimes walked out in protest during former Iranian President Mahmoud Ahmadinejad's fiery anti-American speeches at the annual U.N. meetings.

Rouhani's rhetoric has so far been more palatable to the U.S. But Obama warned Tuesday that it will take time to overcome the deep mistrust that has built up in the more than three decades since the U.S. and Iran broke off diplomatic relations.

"I don't believe this difficult history can be overcome overnight," Obama said. "The suspicion runs too deep. But I do believe that if we can resolve the issue of Iran's nuclear program, that can serve as a major step down a long road toward a different relationship, one based on mutual interests and mutual respect."

He added that in order for that effort to succeed, Iran's "conciliatory words will have to be matched by actions that are transparent and verifiable."

U.S. officials see Rouhani's election and more moderate stance as a sign of frustration among the Iranian public over international isolation and crippling economic sanctions. However, the Obama administration is unclear whether Rouhani is willing to take the steps it is seeking in order to ease the sanctions, including curbing uranium enrichment and closing the underground Fordo nuclear facility.

The U.S. is also seeking indications that Rouhani, as he pursues better relations with the West, has the backing of Iran's supreme leader, Ayatollah Ali Khamenei.

Obama has long said he is open to resolving the nuclear impasse with Iran through diplomatic channels, though he also has said in recent months that the window for that pathway is closing. Shortly after taking office in 2009, he exchanged letters with Khamenei, but their engagement quickly fizzled.

Obama again turned to letters this year to gauge Rouhani's appetite for diplomacy. The Iranian leader responded to Obama's outreach, setting the stage for their overlapping appearances at the United Nations.

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Associated Press writer Edith M. Lederer contributed.

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