There are compelling reasons for her not to make the plunge. The inherent absurdity of the idea is not one of them.
Oprah Winfrey address the crowd before she marches Edmund Pettus Bridge in honor of Martin Luther King Jr., Sunday, Jan. 18, 2015, in Selma, Ala. Winfrey joined some of the cast to promote the movie "Selma." (AP Photo/Brynn Anderson)