“Jack Flack” speechwriter now blogging for N.Y. Times Seth Godin says don’t user PowerPoint; the power of repetition; young speechwriter portrayed in new HBO show. By Christine KentOct. 28, 2008 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.