SO ENDS ANOTHER PK PROFILE IN HEROISM. According to NFL Network’s Jason La Confora, Scott Sicko, who yesterday was lauded by Peter King for his clarity of purpose in deciding against pursuing a career along the precarious margins of an NFL roster in favor of a more mundane, but praiseworthy life as a teacher, has signed with the Dallas Cowboys. False hope. Misplaced values. Disillusionment. Greed.