MacKenzieGravesisabrilliant,competitive,crosswordpuzzlelovingBiologyteacherinVermontwhorecentlylostherfather,belovedfirechiefandtheheartofthetown’sholidayfundraisingtradition“TheReindeerGames.”Everyyearsincehisdeath,shecompeteswithherdad’sformerteam,agrou