A turning point came on June 25, when a group of C.I.A. officers sat across from their Russian counterparts during a secret meeting in a Middle Eastern capital.
The Americans floated a proposal: an exchange of two dozen prisoners sitting in jails in Russia, the United States and scattered across Europe, a far bigger and more complex deal than either side had previously contemplated but one that would give both Moscow and Western nations more reasons to say yes...
The Russian spies took the proposal back to Moscow, and only days later the C.I.A. director was on the phone with a Russian spy chief agreeing to the broad parameters of a massive prisoner swap. On Thursday, seven different planes touched down in Ankara, Turkey, and exchanged passengers, bringing to a successful close an intensive diplomatic effort that took place almost entirely out of public view. more