Oprah talks to graduates about feelings, failure and finding happinessFollowing is an edited transcript of Oprah Winfrey's speech at Stanford's Commencement ceremony Sunday, June 15, 2008 Thank you, President Hennessy, and to the trustees and the faculty, to all of the parents and grandparents, to you, the Stanford graduates. Thank you for letting me share this amazing day with you. I need to be..