A study in sarcasm: Jon Stewart’s commencement address Humor and sarcasm are tricky for any speech. Jon Stewart delivered one dripping in sarcasm, but did he pull it off? By Michael SebastianJuly 14, 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.