It’s a conversation we’ve had many times on "Beat the Press": weighing the potential news value of disturbing or grotesque images. That question came up again this week, with a new ISIS video showing a prisoner being burned alive. Mainstream news outlets refused to show any of it, save one notable exception: Fox News.

Dan Kennedy is an associate professor at Northeastern University.

Margery Eagan is the co-host of WGBH News' Boston Public Radio.

Joanna Weiss is a columnist at the Boston Globe.

Jon Keller is a political analyst at WBZ.