A most unusual homecoming took place in Greenfield over the weekend. Producer/director Norman Lear and the stars of the movie “Cold Turkey”marked the 30th anniversary of its filming. Lear said he couldn’t believethree decades had past when he received an invitation to the event and saidit was great to be back.Actor Dick Van Dyke had one delicious memory of the filming. Van Dyke saidseveral goosberry pies were left at his hotel following and interview inwhich he said he couldn’t get them in California.Actress Peggy Rae recalled how the cast and crew won over Greenfieldresidents who may have been suspicious of Hollywood types.