After Congress's 1995 ruling, a Palestinian historian, Walid Khalidi, did a little spadework.

ECONOMIST: Jerusalem

Then, there is the case of Rashid Khalidi , a former colleague of Obama's at the University of Chicago and now a professor at Columbia.

CENTERFORSECURITYPOLICY: Characters count

The state-run Saudi Press Agency cited an official source at the Saudi Foreign Ministry as saying al-Khalidi was seized by an armed group in front of his home.

CNN: Saudi diplomat kidnapped in Yemen

The diplomat, identified as Abdullah al-Khalidi, was taken by unknown gunmen near his residence in Rimi, in the Mansoora district, as he was entering his vehicle, the officials said.

CNN: Saudi diplomat kidnapped in Yemen

Jeremiah Wright and historian Rashid Khalidi.

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