For a political perspective that claims to love peace and tolerance, left-wing Democrats sure seem to be a rather angry lot. We saw it last week during the explosion over a black actress endorsingfor president . History repeated itself just a few days later when outraged Democrats lashed out at journalist and author Buzz Bissinger for doing the same thing. Things were a bit different this time because in addition to people savaging him on Twitter, Bissinger also found himself being called a traitor by his supposedly objective media industry colleagues. The experience appears to have taught Bissinger the reality of left-wing media bias and he repeatedly admitted as much during an interview with CNN's Howard Kurtz. Story Continues Below Ad While Bissinger was invited on Kurtz's Sunday Reliable Sources program to discuss the aftermath of his endorsement of Romney on Twitter, the discussion quickly turned to the subject of media. The veteran sports writer took to the topic with ease, clearly discomfiting his host. Among friends it [the reaction] wasn't as vitriolic but there was this sense of How dare you!...I mean you're a writer, you're a journalist, how can you possibly come out in favor of this man?' Bissinger said. You are simply not expected when you are a journalist and a writer to endorse a Republican. Of course, journalists who claim to be objective are not supposed to endorse anyone but that hasn't stopped many of them from flocking to work for President Obama...The extraordinarily negative reaction from his media industry colleagues also proved for the Friday Night Lights author that journalists are not really able to set aside their own opinions in their news coverage. The life-long Democrat Bissinger even admitted that he himself had not always been able to do so. There is no doubt in my mind that there is a definite liberal bias in the mainstream media, He asserted. I mean look at the New York Times, you look at their editorial today on Afghanistan, you would feel it was the Republicans' fault that we're still there but that's Obama's decision. It does seep in and I know because as a journalist, it seeped in what I wrote for the Philadelphia Inquirer...The former Washington Post columnist and current editor at Newsbeast took exception as he incorrectly accused Bissinger of claiming that literally every journalist in existence skews coverage. There are a lot of journalists who cover politics, I mean I can toss off a lot of names , from the Washington Post, Candy Crowley , Chuck Todd I don't know what they think about politics, Kurtz said. I think they're fair to both sides, whatever their personal views. It seems to me that you just decided that everybody tilts to the left and that it shows in their work. With the exception of Todd, the names Kurtz listed are more fair than many in the media industry, however, anyone who cares to know for certain can easily click through the links in the previous paragraph to see that Kurtz is mistaken. While he did not address the individuals Kurtz mentioned specifically, Bissinger refused to fall for the CNN host's apologetics. His response is quoted in full below: Listen, I tend to paint with a broad brush, I know that...I guarantee you, whoever it is, if it was a Republican president doing it, reporters would be all over that story. As it is, there was a public ombudsman column in New York Times...David Rhodes, who was kidnapped by the Taliban, who now comments for Reuters, has said the same thing. Certain reporters try to call it down the middle, or try, but even then I still think there is, it can be subtle or it can be not subtle...Now, granted, I'm judging, you know, from friends, but they were outraged. It was How dare you, how can you support a Republican' and granted some journalists may be better at hiding it than others.