Bias in the news is not just about slanting a story. It's also about leaving out a story or burying it.
"Tuesday night must have been a terrible shock for loyal viewers of NBC News, because they just learned about Operation Fast and Furious for the very first time. That’s right – according to Mary Chastain at Breitbart.com, 'In the eighteen months since the Operation Fast & Furious investigation began, Brian Williams and NBC Nightly News have never mentioned the Department of Justice's gunwalking controversy. Every single time Mr. Holder has testified or a major development happened, NBC Nightly News ignored it.'”
Media milestone: NBC viewers learn about Fast & Furious for the first time | | Conservative News, Views & Books
"On Tuesday’s NBC Nightly News, at the very end of her report, Kelly O’Donnell finally told viewers about “a failed operation that sent US guns into Mexico.” O’Donnell awkwardly attempted to explain the controversy, in 30 seconds, since no one on Nightly News or Today had previously done it."
NBC News Finally Ends Its Blackout of Fast and Furious Scandal | NewsBusters.org
"While the majority of the testimony covered Operation Fast & Furious, NBC made it appear that the hearing was mainly over the national security leaks."
NBC Nightly News Devotes Mere Seconds to First-Ever Mention of Fast and Furious