a virtue of intimacy, emotion and the power of persuasion ??? and over 4,561 episodes it reshaped the national conversation on such issues as literacy, obesity and homosexuality.???The beauty of Oprah is that she???s able to be an icon and, at the same time, very, very approachable and very real,??? said Chicago ad executive James Lou in the CNBC television documentary The Oprah Effect.For celebr