HiRes (CWG10) CALGARY,FEB 26--WITT ROUTINE--World figure skating champion Katarina Witt of East Germany practices her free skating routine in Calgary Friday. Witt will compete in the final event for the gold medal Feb 27. She trails Debi Thomas of the USA going into the free skating event. (CP PHOTO) 1988 (stf-Tom Szlukovenyi)