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During a visit by Iraqi Prime Minister Nouri al-Maliki to Moscow earlier this week, the two sides announced that Iraq has signed contracts to purchase up to $4.2 billion worth of Russian weaponry. The news was quickly followed by a diplomatic contretemps between Russia and Turkey, when a Syrian Airlines plane that had departed Moscow for Damascus was forced to land in Ankara. The Turkish government subsequently announced that the ostensibly civilian flight had been carrying military equipment. Combined with the news that a visit by President Vladimir Putin to Turkey scheduled for this coming Monday had been postponed, it raised questions as to whether the bilateral relationship was headed for chilly territory. Just a few scant years ago, Turkey was being described by senior Russian...