Boston Bulletin: Star Baseball Player's Return, AI in Healthcare, Mayor's Housing Plan, and December Snowfall

Major news wrap-up from Boston includes John Spencer's return to the Sox, EpiCon Systems' AI revolution in healthcare, Mayor Linda Gordon's housing policy overhaul, Boston Public Schools' triumph, brave officer Tina Morris's commendation, a rare artistic acquisition at Museum of Fine Arts, Haymarket Square's international food festival, and an unprecedented December snowfall.