People for the Ethical Treatment of Animals handed out $1,000 of free vegan wings Monday and invited all to experience its "I,Chicken" high-tech virtual reality. The goal was to show the plight of a slaughtered chicken used to make up the 1.25 billion wings eaten during Super Bowl weekend. The Los Angeles-based animal rights group was in downtown Phoenix for about three hours during lunchtime to catch the Super Bowl and lunch crowds in Cesar Chavez Plaza, said Katie Arth, a PETA senior campaigner. "Three…