It’s finally the beginning of Advent this Sunday. What a better way to begin with the Festival of Trees as the headliner, with a few other wintery goodness now that the snow is set. Festival of Trees (Nov 26-29) $ The Festival of Trees is a holiday staple in the city, beginning the advent season into Christmas. It’s the University Hospital Foundation’s largest annual fundraiser. This year it features the display of 160 uniquely decorated…