Which Banger is the best?

The winners in the Devro Great Sausage Competition are due to be announced tonight - including the coveted Supreme award. More than 500 sausages from nearly 100 stores have entered the competition and standing in the way between them and the top prizes are six judges. Our reporter Jessie Chiang asked one of the judges, Trudi Nelson, what she's looking for in a sausage.