[McLean, Virginia; May 4. Image via AP]

Mary Warchot, of McLean, Va., left, holds her daughter Caroline Warchot, 3, while waiting in line outside Books-A-Million to see former First Lady Laura Bush at the start of Bush's national book tour for her book, "Spoken from the Heart," in McLean, Va. on Tuesday, May 4, 2010. (AP Photo/Jacquelyn Martin)