Zach Galifianakis and Will Ferrell launch "The Campaign" Whistle Stop Tour in Los Angeles
Actors Zach Galifianakis (L) and Will Ferrell attend a mock news conference for the launch of the new Warner Bros. Pictures' film "The Campaign" Whistle Stop Tour Across America, at The Grove in Los Angeles on July 17, 2012. UPI/Jim Ruymen
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