It’s universal among appellate specialists — we want as many questions as possible at oral argument. Nevertheless, many lawyers insist that nothing can really be gleaned from the argument about the likely result.Some say the justices are playing “devil’s advocate” or trying to persuade their colleagues. They insist that even a skeptical-sounding question from one justice or another doesn’t necessarily mean that he or she is leaning against one’s position.During the past dozen years …