He may have been convicted - and later vindicated for corruption -- but Ex-Virginia Governor Bob McDonnell tells Bill Whitaker that he believes his family did nothing illegal when they accepted hundreds of thousands of dollars in gifts. An ex-hedge fund manager founded a high school in one of the poorest places in the world. Now Anderson Cooper reports from Africa on how students from Somaliland are achieving academic success.Plus - "60 Minutes" turns the camera lens towards photographer Norman Seeff - as he shares some of his most famous work with Lara Logan.