Wilson's Niger trip was such a boondoggle, he did not even write an official after-action report. He didn't write anything at all. If I remember correctly, Wilson had someone from the CIA to go to his home, and Wilson dictated his comments.
Go here for Joe Wilson's own account of all this.
http://www.commondreams.org/views03/0706-02.htm
Thanks for the link, YaYa!