Walmart associate Angel Campos stocks Christmas decorations ahead of the Pre-Black Friday event at the Walmart Supercenter store in Rosemead, Calif., Wednesday, Nov. 21, 2012. (AP Photo

 

              Walmart associate Angel Campos stocks Christmas decorations ahead of the Pre-Black Friday event at the Walmart Supercenter store in Rosemead, Calif., Wednesday, Nov. 21, 2012. (AP Photo
Walmart associate Angel Campos stocks Christmas decorations ahead of the Pre-Black Friday event at the Walmart Supercenter store in Rosemead, Calif., Wednesday, Nov. 21, 2012. (AP Photo/Damian Dovarganes)