Mimes perform at the Franklin County Early Voting Center in Columbus, Ohio, on Sunday. Courtesy Karen Kasler hide caption
The Message Machine
Find out what's true and what's not in political messaging during the 2012 election season.A worker installs carpet into a Jeep Liberty at the Toledo Assembly Complex in Toledo, Ohio, in 2011. J.D. Pooley/Getty Images hide caption
A control room at television station WDBJ 7 in Roanoke, Va., one of the many swing state markets being inundated with campaign ads. AP Video hide caption
President Obama pauses for a photo with supporters after arriving for a campaign stop in Manchester, N.H., on Thursday. Winslow Townson/AP hide caption
A blimp with a message in support of Republican presidential nominee Mitt Romney flies over Plantation, Fla., on Sunday. Saul Loeb/AFP/Getty Images hide caption
Aides tack up an American flag to a barn at the James Koch farm in Van Meter, Iowa, on Oct. 9, ahead of Republican presidential candidate Mitt Romney's arrival for a rally. Jim Watson/AFP/Getty Images hide caption
Costumed demonstrators on Oct. 3 in Denver, before the first presidential debate. Doug Pensinger/Getty Images hide caption
A volunteer hands out buttons before first lady Michelle Obama speaks at a Hispanic caucus on Sept. 5 in Charlotte, N.C. David Goldman/AP hide caption
An advertisement for then-presidential candidate Barack Obama appeared in the Xbox 360 Live version of the video game Need for Speed: Carbon in 2008. Again this year, Obama is advertising in video games. AP/Electronic Arts Inc. via Obama campaign hide caption
President Obama and Mitt Romney campaign in August: Obama in Leesburg, Va.; Romney in Waukesha, Wis. AP hide caption
Pamela Anderson performs with Tristan MacManus on Dancing With the Stars: All-Stars. Anderson was the first contestant eliminated on the show this season. Adam Taylor/ABC hide caption
Ohio State Treasurer Josh Mandel, the Republican challenging incumbent Sen. Sherrod Brown, D-Ohio, speaks at a campaign rally on Sept. 1 in Cincinnati. Al Behrman/AP hide caption
President Obama gives his acceptance speech at the Democratic National Convention. Alex Wong/Getty Images hide caption
Americans for Prosperity brought its "Failing Agenda" bus tour to suburban cities in Colorado's heavily populated Front Range. Kirk Siegler/KUNC hide caption
President Obama's campaign bus is parked in Missouri Valley, Iowa, on Aug. 13. On Friday, Obama was scheduled to return to the swing state for more campaigning. Jim Watson/AFP/Getty Images hide caption