JACKSON, Miss. (AP) — Mississippi voters on Tuesday are choosing Democratic and Republican nominees for governor and lieutenant governor. Three other statewide races have Republican primaries only. They are for auditor, treasurer and insurance commissioner. Polls are open 7 a.m. to 7 p.m., and voters are required to show a driver's license or other government-issued photo identification. Ballots would also include some primaries for public service commissioner and transportation commissioner.