Former House Speaker Newt Gingrich was the keynote speaker for the 20th anniversary celebration of the John Locke Foundation in Cary on Wednesday, Jan. 13, 2010. (Photo by Laura Stillman)

Former House Speaker Newt Gingrich was the keynote speaker for the 20th anniversary celebration of the John Locke Foundation in Cary on Wednesday, Jan. 13, 2010. (Photo by Laura Stillman)