Detailed text transcripts for TV channel - MSNBC - 20161218:22:59:00
>> reporter: her backing of barack obama in 2008 is seen by many as a key moment in his journey to the white house. >> i've been inspired to believe that a new vision is possible for america. >> she is a teacher. i think deep in her heart that's what she wants to be. >> the reason i love barack obama is because he speaks to the potential inside of every one of us. >> the final edition of the oprah winfrey show aired in 2011. now a new generation of talk show hosts is getting america talking. >> i remember when oprah called me america's doctor, i'm humbled by it but i don't think that america h...