Links to PR and media stories from around the web:

Rolling Stone ignites firestorm w/ Boston bomber cover (CNN) RS stands by the cover (WashPost)

Reality The lie of LinkedIn endorsements (A. Hanson)

Twitter My case against Twitter (J. Nocera)

Clients Stop burning through PR agencies (J. Barbagallo)

Ethics Council of PR Firms kicks off ethics push (CPRF)

Marketing How to ditch marketing and make friends (HBR)

Media Former NRA big shot takes over Wash Times (Wash Post)

IR Yahoo revamps earnings report with live video webcast (Inside IR)

Content Content may be king, but integration is queen (R. Wallace)

Fortune PayPal glitch makes PR pro a quadrillionaire (NY Daily News‎)

Icons Goodyear says goodbye to blimps (CNET)

China The real reasons Chinese firms have weak branding (D. Aaker)

Corporate The era of corporate silence on climate policy is ending (HBR)