I found Julianne's comment about frame in fox trot to be illuminating. Technique. It can be different in every dance. What I found to be quite bad in the AT was an almost complete absence of technique that makes AT, even the performance type that is danced on the show, AT. In this particular instance, it has nothing to do with how old the "star" is. I suppose the fault here lies with Mark for not understanding what distinguishes "AT" from other forms of tango. Adding insult to injury, the judges once again showed their lack of understanding of the dance with their complements and very very generous marks.