[MY FEBRUARY 2010 COLUMN FROM VOICES OF CENTRAL PENNSYLVANIA] From Where I Sit “…Dr. [Margaret] Pfanstiehl…said her goal was to engage the sight-deprived to‘live a 20/20 existence without 20/20 vision.’” –from The Washington Post. Dr. Pfanstiehl, mourned last month in a Maryland ceremony, was blind and promoted audio description technology to the point where […]