FILE - In this July 24, 2005 file photo, Luke Armstrong, rear right, tries to touch the winner's trophy held by his father, Lance Armstrong, after Armstrong won his seventh straight Tour de France cycling race, in Paris. During the second part Friday, Jan. 18,  2013, of Oprah Winfrey's interview with Armstrong, Armstrong talked about talking with Luke after his son had defended him concerning doping allegations.  (AP Photo/Peter Dejong, File)
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