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Joanne Herring is a wealthy conservative socialite from Houston,Texas who in the 1980s helped U.S. Representative Charlie Wilson ( Tom Hanks) persuade the American government to train and arm resistance fighters in Afghanistan to fend off the Soviet troops. These events inspired the book Charlie Wilson's War; Herring is portrayed by actress Julia Roberts in the 2007 film adaptation. During part of this time she dated Congressman Charlie Wilson.
In watching the previews to this movie I though Julia Roberts may be overplaying the part; but, click on the title for a link to Joanne Herrings own web site and judge for your self. A remarkable woman.