The latest on the controversy at the Chicago Park District. Reaching herd immunity from COVID-19. New research on Alzheimer’s disease. Business headlines from Crain’s. Some sweet treats with a mission.

• Drop in COVID-19 Cases Shows Parts of US May Be Reaching Herd Immunity
• Airline Industry Sees Divide in Vaccine Mandates Ahead of Holiday Season
• Lincoln Square Bakery With a Mission Revamps Space, Expand Hours
• Crain’s Headlines: Northwestern University Announces 1st Female President
• Are More Changes Coming to the Chicago Park District in Wake of CEO’s Resignation?
• Astros Dismiss Sign-stealing Implications by Sox Pitcher
• Northwestern’s ‘Super Ager’ Research Receives $20 Million Grant
• Local Softball Player Hopes to Inspire Others, Help Women Go Pro