** FILE ** Former Alaska governor and 2008 Republican vice presidential nominee Sarah Palin addresses the Conservative Political Action Committee annual conference in National Harbor, Md., Saturday, March 8, 2014. (AP Photo/Cliff Owen)

Photo by: Cliff Owen

** FILE ** Former Alaska governor and 2008 Republican vice presidential nominee Sarah Palin addresses the Conservative Political Action Committee annual conference in National Harbor, Md., Saturday, March 8, 2014. (AP Photo/Cliff Owen)