Republican U.S. Senate candidate Dan Sullivan greets supporters on election night in Anchorage. The as-yet-undecided race between Sullivan and Democratic incumbent Sen. Mark Begich was the hottest in the state. Ted S. Warren/AP hide caption

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Ted S. Warren/AP

A ballot measure in Maine over bear-baiting has drawn ads from both sides of the debate, including this one from the Maine Wildlife Conservation Council, which opposes the measure. Maine Wildlife Conservation Council/YouTube hide caption

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Maine Wildlife Conservation Council/YouTube

Bear-Baiting And Big Races Drown Portland, Maine, In Campaign Ads

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In this campaign ad, GOP candidate Terri Lynn Land sips coffee after asking the viewer to "think about" accusations that she's waging a war on women. Terry Land/YouTube hide caption

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Terry Land/YouTube

The 2014 Campaign Ads That You Just Can't Stop Replaying

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Costumed demonstrators on Oct. 3 in Denver, before the first presidential debate. Doug Pensinger/Getty Images hide caption

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Doug Pensinger/Getty Images

Study: Secret Donors Significantly Fueling Pro-Romney TV Ads

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President Obama at a stop on his bus tour of Ohio in Port Clinton on July 5. Jim Watson/AFP/Getty Images hide caption

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Jim Watson/AFP/Getty Images

Swing State TV Stations Spiking Ad Rates As Campaign Cash Pours In

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President Obama meets with actor George Clooney, U.S. Special Envoy for Sudan Princeton N. Lyman, and human rights activist John Prendergast (far left) at the White House on March 15. Pete Souza/White House hide caption

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Pete Souza/White House

An image from the Republican National Committee's Facebook page advertises its new "Social Victory Center" app. RNC via Facebook.com hide caption

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RNC via Facebook.com

That New Friend You Made On Facebook? He Might Be Named Mitt Or Barack

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Screen image from a TV ad by the conservative Crossroads GPS. The ad took aim at Democratic Rep. Joe Sestak, who is running for the Senate. PolitiFact.com hide caption

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PolitiFact.com

Hard charges on the air waves in Illinois. PolitiFact.com hide caption

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PolitiFact.com

Mud Is Flying In Illinois Senate Ads

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YouTube.com

3 Campaign Ads That Aren't True; 1 That's Amazing

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