out of an opponent. once in 2010 for biting a player on the neck, in another game where he bit someone on the arm. suarez is what you might call a serial biter, an extraordinarily talented player whose feet are as fearsome as his fangs. but in an interview in britain's "guardian" magazine today, he said he's been reformed. today, he's trying to show more restraint while hanging on to that natural hunger, though everyone knows the trouble that appetite for victory has caused in the past. charlie d'agata, cbs news, london. >> miller: coming up, the 100- year-old math teacher who are says age really is just a number.