If he is not leaving, is that because Frank Wisner did not formally demand it?

FORBES: Assorted Questions about Egypt

Frank Wisner, a former ambassador to Egypt, was to meet with Egyptian government officials.

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The signatories include former Undersecretaries of State Tom Pickering and Nick Burns, Ambassadors Ryan Crocker, Daniel Kurtzer and Frank Wisner.

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Or is it because it does not matter what Frank Wisner demands?

FORBES: Assorted Questions about Egypt

And now we learn from Egyptian government sources, that Obama emissary and former U.S. ambassador to Egypt Frank Wisner has met face-to-face in Embassy Cairo with Issam El-Erian, a senior leader of the Muslim Brotherhood.

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