prisoner swap

Afghan President Ashraf Ghani now says he will free 1,500 Taliban prisoners starting this week and 3,500 more during yet-to-start peace talks with the Taliban.

The Princeton graduate student held by Iran for three years, was released Saturday in exchange for Iranian scientist Massoud Soleimani, who had been held in the United States.

While negotiations over a nuclear deal between the United States and Iran began two years ago, smaller efforts for diplomacy go back to the last decade.