The Michael Vick dogfighting scandal is morphing into a broader NFL dogfighting scandal, as other NFL players also appear to be involved in this very weird pastime. But as animal-rights groups get more aggressive in their accusations and demands, the whole scene is getting stranger. And the closer you look, the more you see the deep conflicts in core values that fracture our society. among PETA's prohibitions, is the use of animal skins. The ball, as in football, is an inflated leather object endearingly called the "pigskin." Why does PETA oppose existing NFL conduct policy, and not football itself? J.C....