Leanne, Shel. Say it like Obama : the power of speaking with purpose and vision / Shel Leanne. - 1st ed. - New York : McGraw-Hill, 2009. - xxiii, 214 p. ISBN: 0071615891 : Subjects--Personal Names: Obama, Barack--Oratory. Subjects--Topical Terms: Public speaking.Persuasion (Rhetoric)