Since 1995, Brooke Gladstone has worked what still is a rare beat in broadcast journalism: she reports on the media. As NPR’s first media correspondent, she’s examined the coverage of race, science, and politics, and reported on the battle between Hollywood and the many guardians of American culture; media mergers; advertising trends; and journalism’s evolving ethics. She has often been a guest host and contributor to On the Media, and now joins as co-host and managing editor of the revamped On the Media.