Spectators wave flags as the USS Constitution fires its cannons off Castle Island in Boston on its annual Fourth of July turn around Boston Harbor on Monday, July 4, 2011. (AP Photo/Michael Dwyer)
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Spectators wave flags as the USS Constitution fires its cannons off Castle Island in Boston on its annual Fourth of July turn around Boston Harbor on Monday, July 4, 2011. (AP Photo/Michael Dwyer)
