"Why do we need journalism when we have social media" is the rallying cry of those who have a perspective to share. If you have something to say — a cool link you saw or a photo or a review of a restaurant — you go on Facebook and Twitter and Yelp and say it. Why do you need journalists to tell you about links or how good restaurants are when you have social media? The short answer is: you don’t. The long answer is: You need journalists when you want an independent perspective. And that perspective — particularly for decision-makers — is essential.

How Twitter is Ruining America