Video cross-posted here at NewsBusters. On Sunday, MSNBC’s Melissa Harris-Perry program previewed the upcoming Super Bowl with a panel of liberal commentators including notorious lefty Dave Zirin of The Nation magazine to bash the sport of football. Speaking during a panel discussion, Zirin blasted the NFL, insisting that “if we lived in a sane world this sport would not exist. This is brain damage for profit, that's what it is. Science is not this sport's friend.