Does Lance Armstrong Matter?

Last night's interview with Oprah Winfrey began with a litany of "Yes" answers to questions about doping. Mike Pesca, NPR sports correspondent and panelist on the Slate sports podcast "Hang Up and Listen", discusses Lance Armstrong's admission and what it says about sports, the media, heroes, and cheating. Plus: whether the strange tale of Manti Te'o's fake girlfriend has any similar lessons.