Question: Lance Armstrong consistently denied allegations of doping until a partial confession during a broadcast interview with a talk show host born in which year ?

<P0-S0> KDWN (720 AM) is an American radio station owned by Beasley Broadcast Group, Inc. based in Las Vegas, Nevada. <P0-S1>  It broadcasts full-time at 50,000 watts, and is directional at night. <P0-S2>  It can be heard throughout most of the Western United States, north into Canada and south into Mexico. <P0-S3>  KDWN is primarily a news-talk radio station featuring a local morning talk show host Alan Stock and syndicated talk show host Jerry Doyle. <P0-S4>  KDWN also broadcasts brokered programs for Las Vegas casinos, local businesses, and other groups. <P0-S5>  It is the station where famous late-night talk show host Art Bell first broadcast his show, Coast to Coast AM. <P0-S6>  It also has a local news alliance with Channel 8 KLAS-TV, the CBS TV Network affiliate in Las Vegas. <SEP> <P1-S0>  She is best known for her talk show "The Oprah Winfrey Show", which was the highest-rated television program of its kind in history and was nationally syndicated from 1986 to 2011 in Chicago, Illinois. <P1-S1>  Dubbed the "Queen of All Media", she has been ranked the richest African-American, the greatest black philanthropist in American history, and is North America's first multi-billionaire black person. <P1-S2>  Several assessments rank her as the most influential woman in the world. <P1-S3> Oprah Winfrey (born Orpah Gail Winfrey; January 29, 1954) is an American media proprietor, talk show host, actress, producer, and philanthropist. <P1-S4>  In 2013, she was awarded the Presidential Medal of Freedom by President Barack Obama and honorary doctorate degrees from Duke and Harvard. <SEP> <P2-S0> Tavis Smiley ( ; born September 13, 1964) is an American talk show host and author. <P2-S1>  Smiley was born in Gulfport, Mississippi, and grew up in Bunker Hill, Indiana. <P2-S2>  After attending Indiana University, he worked during the late 1980s as an aide to Tom Bradley, the mayor of Los Angeles. <P2-S3>  Smiley became a radio commentator in 1991 and, starting in 1996, he hosted the talk show "BET Talk" (later renamed "BET Tonight") on Black Entertainment Television (BET). <P2-S4>  After Smiley sold an exclusive interview of Sara Jane Olson to ABC News in 2001, BET declined to renew his contract that year. <P2-S5>  Smiley then began hosting "The Tavis Smiley Show" on National Public Radio (NPR) (2002–04) and currently hosts "Tavis Smiley" on the Public Broadcasting Service (PBS) on weekdays and "The Tavis Smiley Show" on Public Radio International (PRI). <P2-S6>  From 2010 to 2013, Smiley and Cornel West joined forces to host their own radio talk show, "Smiley & West". <P2-S7>  They were featured together interviewing musician Bill Withers in the 2009 documentary film "Still Bill". <P2-S8>  He is the new host of "Tavis Talks" on BlogTalkRadio's Tavis Smiley Network. <SEP> <P3-S0> For much of the second phase of his career, Cyclist Lance Armstrong faced constant allegations of doping. <P3-S1>  Armstrong consistently denied allegations of doping until a partial confession during a broadcast interview with Oprah Winfrey in January 2013.