NBC's Bob Costas tells Anderson Cooper he has a "gut feeling" Notre Dame football player Manti Te'o let the hoax about his girlfriend continue because the story was "playing out sympathetically."
Hear Costa's perspective on Lance Armstrong's confession:
Anderson Cooper goes beyond the headlines to tell stories from many points of view, so you can make up your own mind about the news. Tune in weeknights at 8 and 10 ET on CNN.
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