MELISSA BLOCK, host:
Again, the ship where the fighting took place was Turkish registered. The flotilla itself sailed from Turkey and one of the groups sponsoring the convoy was also Turkish.
Reaction from Turkey today was swift and strong. Turkish Prime Minister Recep Tayyip Erdogan called Israel's action: inhumane state terrorism. And Turkey's deputy prime minister said this attack must not remained unanswered. Turkey has been a longtime ally of Israel, with close military and economic ties.
Henri Barkey is a professor of international relations at Lehigh University, specializing in Turkey and the Middle East. I asked him if this brings Turkish-Israeli relations to an all-time low.
Professor HENRI BARKEY (Chairman, International Relations Department, Lehigh University): Rhetorically, absolutely. Every week and every month was bringing another low point, but this is rather dramatic.
BLOCK: Well it's interesting, if you spool back in time because Turkey was the first Muslim country to recognize Israel back in 1949. How close had these two countries been?
Prof. BARKEY: It's been lots of ups and downs over the years. I mean, yes, in 1949, it recognized Israel but it never had very warm relations with the Israelis.
It's only in the 1990s following the Oslo Accords that Turkish-Israeli relations warmed up. The Turkish military started all kinds of training exercises with the Israelis, both in Israel and in Turkey. There was a great deal of trade going on between them.
There was a famous earthquake in 1999 when the Israeli rescue teams were the first on the ground, even before Turkish teams. So relations were quite close, but things started to deteriorate first with the second intifada and most importantly after the Gaza War of 2009.
BLOCK: Well, talk about that a bit. How much of a setback was that in terms of Turkish-Israeli relations?
Prof. BARKEY: During the Bush administration, the Turks stepped into the vacuum that the Bush administration had created in the Middle East by sponsoring secret talks between Israelis and Syrians. And they had been quite successful, although nobody expected them to bring it to a final conclusion. They were quite successful.
The problem with Gaza happened after then-Prime Minister - Israeli Prime Minister Olmert was visiting Ankara to talk about the progress on the Syrian-Israeli track, and four days after he returned home, the Gaza operation was launched. And Prime Minister Erdogan, at the time, took this exceedingly personally.
BLOCK: What is your understanding of any ties between this flotilla and the Turkish government, if any?
Prof. BARKEY: I don't know. The organization that sponsored this is an Islamist organization that has long-term ties with Hamas.
Erdogan himself sees Hamas as a kindred party because he thinks that Hamas won the elections freely and fairly and somehow was denied access to power, the same way his party has in the past been persecuted in Turkey. So there's a kind of emotional bond between Erdogan and Hamas in general.
BLOCK: Professor Barkey, do you see this as being the final nail in the coffin of Turkish-Israeli relations, or do you think that the longtime economic ties and military ties, frankly, between the two countries are strong enough to overcome this?
Prof. BARKEY: Oh, I think this is a temporary death knell. That is to say for a while, for many years to come, I think Turkish-Israeli relations will not recover from this.
BLOCK: And what are the implications then for U.S. policy in the Middle East?
Prof. BARKEY: It certainly complicates President Obama's Middle East negotiations - Iran and peace process. And certainly with the BP oil crisis, this is the last thing he probably needed over Memorial Day weekend. I mean this is going to be a very important complicating factor.
BLOCK: I've been talking with Henri Barkey. He's a professor of international relations at Lehigh University and a visiting scholar at the Carnegie Endowment for International Peace.
Professor Barkey, thanks very much.
Prof. BARKEY: Thank you.
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