Spurs or Heat now Finals favorites?

Dwyane Wade could be the deciding factor in a close NBA Finals between the Spurs and Heat. Andrew D. Bernstein/Getty Images

SAN ANTONIO -- Just call this the roller-coaster NBA Finals. That's what a graph plotting the public confidence in either the Miami Heat or the San Antonio Spurs winning the series would look like through four games. Because the teams have alternated wins and because the past three games have been lopsided, the mood has shifted from Miami being a sure champion to the Heat being doomed and back again.