By RANDY SEAVER, Editor How do you know you've been covering Biddeford news for a long, long time? I have covered the city's annual WinterFest celebration since --- well – since before it was called WinterFest. Biddeford’s annual downtown winter celebration was the brainchild of newly elected Mayor Alan Casavant in 2012. Casavant -- who … Continue reading OPINION: Those were the days . . .