Google Maps helps us to identify the greatest liar. Other honorable mentions in the list of searchwords for that place:

hypocrite: Americans for Tax Reform, National Indian Gaming Association, Senator Paul Sarbanes, Friends of the Earth

load of crap: Coalition To Stop Gun Violence, Commission On Presidential Debates, Council For A Liveable World Education Fund

lying sack of shit: The Board on Professional Responsibility, CNN, Commission of Presidential Debates, George W Bush

prostitution: United Press International, Radio Free Europe, Americans For Our Heritage Recreation

Source: rec.humor.funny