General view of the west front, with construction still on-going, during a dress rehearsal on a misty and foggy day, for the inaugural of President Barack Obama at the US Capitol, Washington DC, Jan 13, 2013. [Photo/Agencies]

A member of the US Navy salutes during a parade rehearsal for next week's inauguration ceremonies to mark the start of President Barack Obama's second term in Washington, Jan 13, 2013. [Photo/Agencies]