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

itoggle caption 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

itoggle caption Maine Wildlife Conservation Council/YouTube

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

itoggle caption Terry Land/YouTube

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

itoggle caption Doug Pensinger/Getty Images

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

itoggle caption Jim Watson/AFP/Getty Images

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

itoggle caption 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

itoggle caption RNC via Facebook.com

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

itoggle caption PolitiFact.com