President Barack Obama calls Wisconsin volunteers as he visits a campaign office call center the morning of the 2012 election, Tuesday, Nov. 6, 2012, in Chicago.
Mary Altaffer photo
Republican vice presidential candidate, Rep. Paul Ryan, R-Wis., waves as he follows his wife Janna as they board the campaign charter airplane in Janesville, Wis., Tuesday, Nov. 6, 2012.
Matt Rourke photo
Vice President Joe Biden, accompanied by his son Beau Biden, his wife, Hallie and their daughter Natalie, stands in line to cast his ballot at Alexis I. duPont High School, Tuesday, Nov. 6, 2012, in Greenville, Del.