Watch live:

Republican presidential candidate and former Massachusetts Gov. Mitt Romney visits the Tomb of the Unknown Soldier in Warsaw, Poland, Tuesday, July 31, 2012. (AP Photo/Charles Dharapak)

Associated Press
Republican presidential candidate and former Massachusetts Gov. Mitt Romney visits the Tomb of the Unknown Soldier in Warsaw, Poland, Tuesday, July 31, 2012. (AP Photo/Charles Dharapak)
Republican presidential candidate and former Massachusetts Gov. Mitt Romney visits the Tomb of the Unknown Soldier in Warsaw, Poland, Tuesday, July 31, 2012. (AP Photo/Charles Dharapak)
View Comments (0)