Polls open in Wisconsin presidential primary
446271
Voters in Wisconsin began casting ballots Tuesday for candidates seeking the Democratic and Republican presidential nominations in a contentious race marked by attack ads and accusations of plagiarism.
106505
Chart how the main Republican and Democrat contenders are faring in the polls ahead of the first key primary.
590465
In a pivotal day for the Democratic and Republican White House hopefuls, voters are heading to the polls in 24 states today. Super Tuesday is virtually a national primary day, and some of the biggest prizes of the primary season -- California, New York, Illinois, New Jersey, Missouri and Georgia -- are up for grabs.
321676
Sen. Barack Obama has been lavishing attention on the historically independent voters of Wisconsin. Rival Sen. Hillary Rodham Clinton is moving belatedly to make a contest of next Tuesday's Democratic presidential primary.
277936
Georgia and Alaska joined the growing list of states pushing up their presidential primary voting to Feb. 5, a date clearly shaping up as a national primary day for Republicans and Democrats.
147744
Polls opened in New York City Tuesday as voting got underway in the historic 24-state nominating clash to decide Democratic and Republican presidential candidates for the White House.
162126
THE RACE: The presidential race for Democrats and Republicans in New Hampshire
226953
Georgia and Alaska joined the growing list of states pushing up their presidential primary voting to Feb. 5, a date clearly shaping up as a national primary day for Republicans and Democrats
653401
Next stop: Michigan primary on Tuesday, Jan. 15.
475304
Obama wins Wisconsin ... McCain inches closer to delegate goal ... Candidate wives' spar over remarks ... Candidates comment on Castro announcement ... ___
113773
Some of the day's images as US voters go to the polls in primaries and caucuses
105074
Wisconsin is almost the kind of state Hillary Rodham Clinton would have invented to win a Democratic presidential primary, brimming with whites and working class voters who usually support her. A poor performance there Tuesday would raise big questions about her candidacy.
188699
Democrats in Wisconsin and Hawaii make their choices on Tuesday in a heated presidential battle, with Hillary Clinton hoping to snap Barack Obama's winning streak ahead of big contests in March.
677260
Sen. John McCain won the Wisconsin vote to select a Republican presidential candidate on Tuesday, moving closer toward locking up the party's nomination after his leading rivals bowed out of the race, U.S. media projected.
120305
WEST PALM BEACH, Fla. - Election Day is still two weeks away, but voters across the state have the option Monday of beginning to cast their ballots early in this pivotal battleground state...
249524
Polls close in the New Hampshire primary, a key early contest in the race for the US presidency.
251774
Highlights of preliminary exit poll data in the Maryland and Virginia presidential primaries Tuesday: