Top political videos: Gay marriage, Obama, Perry

By BETH FOUHY | December 20, 2011 | 3:06 AM EST

NEW YORK (AP) — An Iowa man's plea for marriage rights for his lesbian parents drew 18.3 million views on YouTube. That makes it the most-watched political video of the year.

YouTube's ranking of viral political videos has President Barack Obama's speech to the White House Correspondents' Association dinner in second place.

The third most viewed political video is the year's most-watched campaign commercial, Republican presidential candidate Rick Perry's ad criticizing gays in the military.

The popular video-sharing site released its 2011 list on Tuesday. The company based its rankings on videos uploaded by users to the site's news and politics category.

Rounding out the top five were Obama's announcement of the death of Osama bin Laden, and "Brother Can You Spare a Trillion?" by a Florida Republican activist warning of the mounting federal debt.