ALEXANDRIA, VA – DECEMBER 21: (AFP OUT) U.S. President Barack Obama shops for Christmas presents with his dog Bo at Petsmart on December 21, 2011 in Alexandria, Virginia. President Obama called on House Speaker Rep. John A. Boehner (R-OH) on to urge him again to allow a vote on a Senate-passed measure that would extend a payroll tax holiday for two months. (Photo by Kevin Dietsch-Pool/Getty Images)