Wilson is tied to Gabon as he was the former ambassador. Wilson is tied to Iraq when he became the last American to speak to Saddam after the Kawait invasion. As for Cogema, if his clients were looking for Uranium, he would have to deal with Cogema. In addition, Valerie recommended him for the Niger trip because of his ties with France and the consortium, IE Cogema.
SBD
And Wilson's second wife is French and worked/s are a spy of sorts; or did. She is still part of the French government.