Sarah Palin, left, waves to supporters as she holds her son Trig Palin as she arrives for a booking signing to autograph copies of her book “Going Rogue” at the Costco Tuesday, Dec. 1, 2009, in Tempe, Ariz. Hundreds of Palin supporters showed up to buy her book and meet the former Alaska governor and 2008 Republican vice presidential candidate. (AP Photo/Ross D. Franklin)