Ken Rudin, NPR Political Junkie
Joyce Russell, reporter, Iowa Public Radio
J. Ann Selzer, president, Selzer and Company
Steve Scheffler, president, Iowa Faith and Freedom Coalition
The Iowa caucuses will be critical for Rep. Michelle Bachmann and former Sen. Rick Santorum, or a chance for Rep. Ron Paul to steal the national spotlight from Massachusetts Governor Mitt Romney and former House Speaker Newt Gingrich.