Anti-Defamation League is fighting back after Wikipedia editors declare the group “generally unreliable” on ...

The acting U.S. attorney for the District of Columbia sent a letter to the nonprofit that runs Wikipedia, accusing the ...

Credit: CHIP SOMODEVILLA/GETTY IMAGES Wikipedia, the internet's crowd-sourced encyclopedia, has declared "fake news" on far-right site Breitbart, deeming the outlet an unreliable source for facts.

Wikipedia has long been accused of left-wing political bias. Now a U.S. Attorney wants to know who is paying for it.