This is a great article about some, just some of dirty nan's dirty dealing:

"Most recently, Pelosi faced questions from liberal "60 Minutes" and conservative investigative author Peter Schweitzer about a 5,000-share Visa stock purchase she made with her husband as the House was considering credit card regulations. She made a "killing" off the highly sought-after initial public offering. The stock holdings more than doubled in a few weeks; the credit card regulations were put on ice somewhere in the back of Pelosi's fridge."

[link to news.yahoo.com]