Oprah Winfrey – does speech provide clues about presidential run?
"What I know for sure is that speaking your truth is the most powerful tool we all have." Truth against power isn't exactly a new theme in US politics, but it is an effective one. Mr Trump campaigned on his own version. He was the outsider railing …
Oprah Winfrey: Who is she and what are her political beliefs?
Could Oprah Winfrey run for US president – and win?
From Reagan to Trump, and maybe Oprah, US celebrity politicians abound