Bundled up people arrive in below freezing temperatures to attend the National Prayer Service at Washington National Cathedral in Washington on Jan. 22, 2013. President Obama, Vice President Biden and their families plan to attend the prayer service, a day after the 57th presidential inauguration. (Associated Press)

Photo by: Manuel Balce Ceneta

Bundled up people arrive in below freezing temperatures to attend the National Prayer Service at Washington National Cathedral in Washington on Jan. 22, 2013. President Obama, Vice President Biden and their families plan to attend the prayer service, a day after the 57th presidential inauguration. (Associated Press)