Protesters face riot police downtown Pittsburgh, Friday Sept. 25, 2009. Thousands of protesters marched through the streets during the Group of 20 summit of world leaders. (AP Photo/Matt Rourke)
G20 Summit Protests
Protesters face riot police downtown Pittsburgh, Friday Sept. 25, 2009. Thousands of protesters marched through the streets during the Group of 20 summit of world leaders. (AP Photo/Matt Rourke)
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