This combination photo shows MSNBC television anchor Rachel Maddow, host of "The Rachel Maddow Show," moderating a panel at Harvard University, in Cambridge, Mass. on Oct. 16, 2017 , left, and Sean Hannity of Fox News at the Conservative Political Action Conference (CPAC) in National Harbor, Md. on March 4, 2016. A generation ago, the likes of Walter Cronkite, Peter Jennings and Diane Sawyer were the heroes of television news. Now the biggest stars are arguably Sean Hannity and Rachel Maddow. Old lines between journalism and commentary are growing fuzzier with traditional media guideposts stripped away by technology and new business models. (AP Photo)
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