verglich with her help instrumental her support Oprah Winfrey's endorsement of Barack Obama Oprah Winfrey called Barack Obama “The One” Oprah Winfrey’s endorsement of Barack Obama endorsement of Barack Obama endorsed by Oprah Winfrey Oprah was behind him with her help Winfrey endorsed presidential candidate Wikipedia page Oprah was behind him over a million votes she tends to have a lot of influence endorsed by Oprah Winfrey Oprah was behind him endorsement actief campagne she tends to have a lot of influence Oprah Winfrey's endorsement of Barack Obama - Wikipedia over a million votes endorsement of him for president in 2008 Oprah was behind him a million votes The Wikipedia entry Shortly afterward endorsement