Voters go to polls today

THE BALLOT Tennessee voters will choose Democratic and Republican candidates for U.S. House races; decide which Democrat will oppose Republican U.S. Sen. Lamar Alexander in November; vote in party primaries for state House and some state Senate seats; and choose five Metro Nashville school board members, the Williamson County sheriff and other county officials. HOW TO VOTE Opening times vary by county, but all close at 7 p.m. Central time. Voters who are in line by 7 p.m. will be permitted to cast ballots. In Davidson County, polls open at 7 a.m. VOTER INFO Contact the Davidson County Election Commission at 862-8800. For other counties, contact information is available at Contact the Davidson County Election Commission at 862-8800. For other counties, contact information is available at http://tnsos.org/elections/election_commissions.php. ACTION LINE To report poll problems and successes, contact Jenny Upchurch at action@tennessean.com or 726-5970. Search ACTION for her blog. ONLINE For last-minute information on the Metro Nashville school board and Williamson County sheriff races, search ELECTIONS for profiles and Q&As with the candidates. Plus, go to Tennessean.com for news updates. After 7 p.m., look for results, video and photos. — MICHAEL CASS and JAIME SARRIO(Tennessean)