Will the '08 Race Begin and End in Iowa?

— -- Will the 2008 presidential race boil down to the state where it all began?

Iowa's first-in-the-nation caucus, held on Jan. 3, 2008, launched Sen. Barack Obama onto the Democratic presidential map when he emerged victorious with 38 percent of the vote over party rivals Sen. John Edwards and Sen. Hillary Clinton, who won 30 and 29 percent, respectively.

Both Sen. Chris Dodd and Sen. Joe Biden, who later became the Democratic vice presidential nominee, dropped out of the race following Iowa, each capturing less than 1 percent of the vote.