Obama: "We Cannot Turn Back"

Senator Barack Obama accepted the nomination of the Democratic Party for the presidency before a crowd of 84,000 people at Invesco Field at Mile High Stadium in Denver.
Sen. Obama pledged to cut taxes "for 95 percent of working families," end the war in Iraq, and break America's dependence on foreign oil within 10 years.
 
>>>Listen to Sen. Obama's complete remarks. (WBUR)