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In the coming weeks, the White House will play host to leaders of several Middle Eastern nations, including the United Arab Emirates, Turkey, Qatar and Jordan. They're coming, in part, to register concerns about the ongoing violence in Syria, and to nudge the Obama administration to do more to tip the balance in favor of the rebels, trying to oust Bashar al-Assad. They're also eager to hear more about Secretary of State John Kerry's efforts to revive Israeli-Palestinian peace talks.
NPR's Michele Kelemen has more.
MICHELE KELEMEN, BYLINE: There's been no shortage of meetings on Syria. Secretary of State Kerry is heading to yet another one is Istanbul later this month. But there's a reason for this parade of Middle Eastern leaders to the White House, says Tamara Wittes of the Brookings Institution.
TAMARA WITTES: Everyone knows that the decider on this issue is President Obama. Everybody knows that President Obama is operating in an environment where the American people are tired of foreign engagement. So if there's a selling job to do, it's in the White House.
KELEMEN: But she's not expecting the leaders of the UAE, Turkey, Qatar and Jordan to persuade President Obama to make any dramatic changes to U.S. policy on Syria. The U.S. has already agreed to give direct, but non-lethal aid to rebels.
Frederic Hof, a senior fellow at the Atlantic Council's Rafik Hariri Center for the Middle East, says the White House hasn't crossed the Rubicon in terms of offering weapons.
FREDERIC HOF: What I think they will hear from the president is a plea that all assistance - lethal and non-lethal - that's going to the Syrian opposition, go through one source and one source only. And that's the Supreme Military Council lead by General Salim Idriss.
KELEMEN: Hof says the meetings offer a chance to coordinate policies on Syria.
HOF: And to the extent that the United States and the key countries can really promote the fortunes of Syrian nationalists, as opposed to these pseudo Islamic fighters, these extremists, I think that's the name of the game and I suspect that's what these leaders are going to be hearing loud and clear from the president.
KELEMEN: And President Obama will hear serious concerns about the humanitarian crisis in the region, says the Carnegie Endowment's Marwan Muasher, who is a former Foreign Minister of Jordan.
MARWAN MUASHER: The refugee situation is becoming just unsustainable. In Jordan, the figures are that already we have about 500,000. By the end of the year maybe one to 1.2 million refugees. That's 20 percent of the population.
KELEMEN: U.S. officials are said to be discussing the possibility of setting up safe zones inside Syria with U.S.- and Jordanian-trained Syrian rebels. But Muasher thinks the U.S. will take only incremental steps.
MUASHER: They will probably, you know, keep inching towards more involvement in the coming months. The question on everybody's mind is by the time this involvement becomes a game changer - if it becomes a game changer - will there be a country to talk about?
KELEMEN: He's is also skeptical about the administration's incremental approach to Middle East peace. Secretary of State Kerry is trying to revive peace talks and promote the long-dormant Arab Peace Initiative.
Wittes of the Brookings Institution says it makes sense to use that initiative as an incentive because it offers Israel normal relations with Muslim countries if a peace deal is reached.
WITTES: So it gives the Palestinians a boost and it also puts forward a vision to Israel, and more particularly to the Israeli public, of what some of the benefits are that peace could bring; that there are states that are willing to accept them in the region if they can resolve their conflict with the Palestinians.
KELEMEN: Wittes predicts the upcoming meetings with Middle Eastern leaders won't be easy, but says they are important given the dramatic changes across the region.
Michele Kelemen, NPR News, Washington.