AP Photo/Alex Brandon
President Obama's family dog, Bo, goes for a walk in the snow on the grounds of the White House in Washington, Sunday, Dec. 20, 2009.
AP Photo/Alex Brandon
President Obama's family dog, Bo, goes for a walk on the grounds of the White House in Washington, Sunday, Dec. 20, 2009.
AP Photo/Alex Brandon
President Obama's family dog, Bo, goes for a walk in the snow on the grounds of the White House in Washington, Sunday, Dec. 20, 2009.
AP Photo/Alex Brandon
President Obama's family dog, Bo, goes for a walk on the grounds of the White House in Washington, Sunday, Dec. 20, 2009.
AP Photo/Alex Brandon
President Obama's family dog, Bo, leaps on the grounds of the White House in Washington, Sunday, Dec. 20, 2009.
AP Photo/Alex Brandon
President Obama's family dog, Bo, stands near the West Wing of the White House in Washington, Sunday, Dec. 20, 2009.
AP Photo/Gerald Herbert
The White House is seen the day after a snowstorm blanketed the region in Washington, Sunday, Dec. 20, 2009.
AP Photo/Alex Brandon
President Obama's family dog, Bo, goes for a walk in the snow on the grounds of the White House in Washington, Sunday, Dec. 20, 2009.
AP Photo/Gerald Herbert
The White House is seen Sunday, Dec. 20, 2009, in Washington the day after a snowstorm blanketed the region.