Democrat Barack Obama will make a speech Monday in battleground state Ohio to sum up America's long presidential campaign, declaring Republican John McCain had campaigned for 21 months without telling voters how he would change the policies of unpopular President George W.Bush.
McCain, meanwhile, is vowing a comeback even as national and state polls show his path to victory is growing steeper, with Obama projected as near or above the 270 electoral votes needed to become the 44th U.S. president and the first African American to hold the job.
Obama revealed plans for the bold summing up in the campaign's final week after drawing huge crowds Sunday in Colorado.
McCain, hop-scotching from Iowa to Ohio on Sunday, said in an NBC television interview, "I believe that I'm going to win" the election.