A screen grab from "America the Beautiful" by The Agenda Project. According to PolitiFact, videos like this one used elderly actors to falsely suggest that Rep. Paul Ryan's Medicare plan would adversely affect current senior citizens.
Fact-checking sites like PolitiFact referee assertions by politicians, public figures and pundits. The fact-checking movement has been gaining momentum — and fans. But PolitiFact has come under fire after announcing its "Lie of the Year": a claim by some Democrats and liberals about a House Republican plan to change Medicare.