PR CBS exec: 9 ways to pitch via social media CBS News’ head of social media warns PR pros to shy away from the big-name talent and avoid being a spammer. By Matt WilsonMay 23, 2012 SHARE To read the full story, log in. Become a Ragan Insider member to read this article and all other archived content. Sign up today Already a member? Log in here. Learn more about Ragan Insider.