USA HISTORY

Detailed explanation-1: -In May 2007 Winfrey made her official endorsement of candidate Obama, and in December 2007, she made her first campaign appearances for him. Two economists estimate that Winfrey’s endorsement was worth over a million votes in the Democratic primary race and that without it, Obama would have received fewer votes.

Detailed explanation-2: -Winfrey excelled in the casual and personal talk-show format, and in 1984 she moved to Chicago to host the faltering talk show AM Chicago. Winfrey’s honest and engaging personality quickly turned the program into a success, and in 1985 it was renamed The Oprah Winfrey Show.

Detailed explanation-3: -Winfrey is also a committed philanthropist, providing significant assistance to schools (Morehouse College, Tennessee State University, Chicago Academy of Arts) as well as to the Chicago Public Schools. She also funds battered women’s shelters and campaigns to catch child abusers.

Detailed explanation-4: -For 25 years (1986-2011), Winfrey was host of the award-winning The Oprah Winfrey Show, the highest-rated TV show of its kind in history. As chairman and CEO, she has guided her successful cable network, OWN: Oprah Winfrey Network; is the founder of O, The Oprah Magazine; and oversees Harpo Films.