Oprah Winfrey  expanded her empire to include tea. She has partnered with Starbucks. Starbucks CEO Howard Schultz announce the creation of Oprah’s own tea line, Teavana Oprah Chai, to be sold in Starbucks and Teavana stores across the U.S. and Canada beginning April 29. Oprah personally developed the tea with Teavana’s leading “teaologist” Naoko Tsunoda. […]