Editors matter. The March 28-April 4, 2011, edition of the struggling news magazine Newsweek —which I admittedly have not read in years— provides some of the finest articles I have read in many months, illustrates the limits of online and social media, and shows why editors matter. There is great benefit from both edited and unedited media and I don’t believe they have to be seen in dichotomous choices for the future of media. But I believe those who argue they don’t need to edited media doom themselves to narrowness and ignorance. If I relied only on the links I receive daily from colleagues on Facebook, my news alerts for topics of interest, or digital listings of stories, I would miss the most important contribution of edited media—the service editors provide by reviewing and thinking about the world and putting journalists to work to provide a coordinated understanding of the available information. This week’s Newsweek epitomises that reality. Although I often have my attentio...