Peter Kenyon

Sunday is the so-called "adoption day" for the nuclear deal with Iran. It's the day that Iran will begin sharply curtailing its nuclear program as part of the agreement reached this summer.

The final report into the July 2014 downing of Malaysia Airlines MH-17 is being released in the Netherlands. It confirms that the plane was shot down by a missile, but doesn't place blame.

Turkey is gripped by grief after a weekend bomb attack killed nearly 100 people. The country faces parliamentary elections in two weeks, but many Turks wonder if any party can bring calm to Turkey.

Nearly 100 people died in bombings targeting a peace rally this weekend in the capital of Ankara. Turkish Prime Minister Recep Tayyip Erdogan has laid the blame for the attack with the Islamic State.

Turkey claims Russian military planes violated its airspace as regional tension increases over the Russian operations in Syria.

In a televised interview Sunday — his first comments since the campaign was launched last week — Syrian President Bashar Assad said Russia's air campaign against "terrorists" must succeed.

In a remote mountain village high above Turkey's Black Sea coast, there are villagers who still communicate across valleys by whistling. Not just whistling as in a non-verbal, "Hey, you!" But actually using what they call their "bird language," Turkish words expressed as a series of piercing whistles.

The village ...

Turkey has taken in more Syrians than any other country, by far. But under a policy dating back to 1951, it doesn't offer asylum to refugees and expects them to be permanently resettled elsewhere.

The Greek island of Lesbos has been transformed from a dream vacation spot to a haven of a different sort — for Syrians and Iraqis, a place free from the horrors of war back home. From here, those who've survived the crossing from Turkey can try to press further on ...

Migrants in Turkey are increasingly worried about their prospects of settling in Europe. Many vow to keep going, despite the uncertainty and risk.

David Miliband, now the president of the International Rescue Committee, recently visited the Greek island of Lesbos, where thousands of migrants are arriving by boat from Turkey.

The prospect of tighter border controls in Germany, Hungary and elsewhere in Europe hasn't curbed the flow of migrants seeking passage from the Middle East, mainly via Turkey and Greece.

Turkey has been cracking down on journalists — especially local Turkish reporters. Advocates for press freedom rank Turkey as having the greatest number of jailed journalists in the world.

Turkey's president told voters to be ready for a re-run of parliamentary elections on Nov. 1. The hope is the ruling party regains its majority as conflicts flare with the Kurdish minority and ISIS.

To a visitor, it seems like a curious bit of territory for the Turkish military and the Kurds to be fighting over: steep rocky hills covered in brown windblown grass divided by patches of green forestland.

But if you get off the main road, and follow a gravel track into ...

As Turkey escalates its military operations against Kurdish fighters in the country's southeast, Kurds there are bracing for attacks from another enemy at the same time: the Islamic State.

With the collapse of a two-year cease-fire, Turkish forces and Kurdish militants are again killing each other in earnest. In one largely Kurdish town, residents hunker down for more bloodshed.

At a time when the U.S. hopes Turkey can be a solid ally against ISIS, the country is facing multiple crises of its own: new elections, Kurdish unrest and a migrant wave.

Turkey is on the defensive for not preventing refugees from going to Western Europe. But the country is already struggling to host the 2 million people who fled the war in Syria.

Once Tehran takes steps to roll back its nuclear program, an estimated $100 billion in frozen overseas assets will become available. Iran has many needs to meet with its battered economy.