Former Massachusetts Gov. Mitt Romney eked out an eight-vote win after he and former Pennsylvania Sen. Rick Santorum swapped the slimmest of leads back and forth in Tuesday's caucuses. With returns complete, each had won the support of roughly 25 percent of caucusgoers.
Republicans in Iowa are gathering at sites representing more than 1,700 precincts. Robert Siegel talks to NPR's Ted Robbins, who reports from a Republican caucus site in Ankeny, Iowa.