Too white: Iowa, which plays a big role in the presidential nominating process, is not racially representative of the US, an NBC correspondent recently noted. But in other ways, analysts say, Iowa reflects the national average.
Former front-runner Newt Gingrich has fallen behind going into the Iowa caucuses Tuesday, polls show. The reversal means Gingrich might change course in the days ahead.
Rick Santorum is surging in Iowa just before the caucuses Tuesday, giving Mitt Romney a run for his money. Back in 2008, Santorum gave Romney something else: his support.
Though the GOP has notched recent electoral success, "there are no more people calling themselves Republican," says longtime Democratic pollster Stan Greenberg.