Peter Kenyon

The spring sun is warming the fields and orchards along the Turkey-Syria border, and new refugee camps are sprouting as well.

Smugglers who have long worked these mountain border trails are now busy moving civilians out of Syria to the safety of Turkish camps. They're also moving medical and communications equipment and people into opposition-held neighborhoods in Syria. But recently, some say that's getting harder.

A smuggler known as Abu Ayham says Turkish guards, who used to permit nonlethal aid to pass freely, have suddenly grown much tougher on the smugglers.

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RACHEL MARTIN, HOST:

To Istanbul now, where negotiators for Iran and six world powers say yesterday's talks on Iran's nuclear program represent a constructive beginning. They agreed to meet again next month in Baghdad. U.S. officials note there is still a long way to go before the world can be satisfied with Iran's claims that it's enriching uranium only for peaceful purposes. But both sides say they're willing to try a step-by-step approach to resolving the issue. NPR's Peter Kenyon has more.

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LINDA WERTHEIMER, HOST:

Iran's suspect nuclear program will again be in the spotlight this weekend when negotiators from Iran and six international powers meet in Istanbul.

Iran was reluctant to have Turkey host the meeting, reflecting Iran's growing unhappiness with Turkish foreign policy moves, especially its call for regime change in Syria, Iran's key ally in the Arab world.

Analyst and columnist Yavuz Baydar says Turkey has stuck its neck out for Iran in the past, defending what it calls Iran's peaceful nuclear energy program and even voting against U.N. sanctions on Iran two years ago.

After months of relentless shelling and gunfire, activists in Syria reported a quieter daybreak Thursday, as a ceasefire arranged by U.N. special envoy Kofi Annan appeared to be largely holding.

Opposition figures said rebel fighters inside Syria would abide by the truce as long as the Syrian military does, while the government says its forces will return fire if attacked. Annan is hoping to progress from the cease-fire to getting humanitarian assistance into the country, and eventually to political negotiations.

In Egypt, next month's presidential election has undergone a wrenching several days.

First, leading Islamist candidates faced possible disqualification on legal grounds, and then, hours before the deadline to register, a leading face from the regime of Hosni Mubarak jumped into the race.

The appearance of 75-year-old Omar Suleiman, Mubarak's former intelligence chief, has sparked fears that the military council running the country is maneuvering to bring back the old regime.

U.N. special envoy Kofi Annan says the Syrian government should be the first to enact a cease-fire, but there was no sign of that on Friday. More violence erupted in several Syrian cities as diplomats prepared for Sunday's meeting of the "Friends of Syria" in Istanbul, Turkey.

The gathering comes at a time of growing disaffection with diplomatic efforts and an increase in attacks by Syrian opposition fighters.

The rising civilian death toll in Syria is accompanied by mounting calls to arm the Syrian opposition. And Turkey, a NATO country that shares a long, rugged border with Syria, is often mentioned as a likely transit point.

Turkey has become increasingly critical of the Syrian regime, but Ankara is thus far reluctant to send significant arms across the border or use its large military to create a humanitarian corridor inside Syria.

The Syrian regime's heavy crackdown on dissent has led to a sharp plunge in relations with neighboring Turkey. But the regime does have its Turkish supporters — mainly members of the Alawite minority, the same Islamic sect Syria's ruling Assad family comes from. And that has resulted in complicated loyalties among some Turks, especially those along the border in southeastern Turkey's Hatay province.

United Nations envoy Kofi Annan continues talks with the Syrian leadership, hoping to find a way to end the violence of the past year. NPR's Peter Kenyon has the latest.