On Thursday, in a court of law, BuzzFeed fought for the right to verify what’s true and what’s fake. The digital news hub, partly owned by NBCUniversal, is defending an $11 million defamation lawsuit over an Aug. 24, 2015 story headlined, “The King of Bullsh*t News.” The subject of that story was the wacky reports from Michael Leidig’s Central European News, including a story about a woman in …