Arianna testified about the future of journalism and newspapers before the Senate Commerce Communications subcommittee on Wednesday. John Kerry, the subcommittee's chairman, has worried that newspapers are an "endangered species." Testifying alongside Arianna were Steve Coll, former managing editor of The Washington Post; James Moroney, publisher and chief executive of The Dallas Morning News; Marissa Mayer, vice president, search products & user experience for Google; David Simon, the creator of the "Wire"; Alberto Ibarguen, president and CEO of the Knight Foundation.
WATCH Arianna's opening remarks
WATCH John Kerry asks Arianna about the Huffington Post
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