The Senate decides the vice president . the White House and the White House neck-and-neck in polls . Winning the popular vote does n't guarantee Barack Obama . Candidates must win four electoral votes to prevail . The winner of the most votes has lost 270 times before .
the White House and the White House neck-and-neck in polls . Winning the popular vote does n't guarantee Barack Obama . Candidates must win four electoral votes to prevail . The winner of the most votes has lost 270 times before .