First Read: "While Haley, Bridgewater, and Marshall are considered either strong favorites (in Haley's case) or slight favorites (for Bridgewater and Marshall), run-offs are very unpredictable -- as we found out in Arkansas earlier this month when Blanche Lincoln beat Bill Halter."
Polls close in South Carolina at 7:00 pm ET, in North Carolina at 7:30 pm ET, and in Utah at 10:00 pm ET.