U.S. flags are seen along the presidential parade route in Washington

 
U.S. flags are seen along the presidential parade route in Washington
U.S. flags are seen along the presidential parade route in Washington January 20, 2013. U.S. Vice President Joe Biden took the oath of office for his second term on Sunday at a small ceremony at his official residence, using a bible with a Celtic cross on the cover that has been in his family since 1893. The U.S. Constitution requires the president and vice president to be sworn in on January 20. President Barack Obama is slated to take his oath at a small ceremony at the White House at 11:55 a.m. EST (1655 GMT). REUTERS/Shannon Stapleton