As Election 2012 draws near, never have so many billions of
dollars been spent to move so few votes. So what factors
determine who wins in such a race? Jerry Seib joins the News Hub
to discuss. Photo: AP.  The presidential campaign has wrapped up
pretty much the way smart folks in both parties expected all
along: It's close, with the outcome dependent more on whose
partisans are loyal on Election Day than on how many voters
changed their minds along the way.  In fact, with partisans on
both sides so dug in, never have so many billions of dollars
been spent to move so few votes. So which factors determine who
wins in such a race?  Here are five things to watch as Election
Day and Election Night unfold:  Obama and Romney are scrambling
for a win in states that will determine who claims the 270
Electoral College votes needed to take the White House. Agence
France-Presse/Getty Images  How big is the turnout?  As a
general proposition, if turnout is higher, that is probably good
news for President Barack Obama. If