- We took your calls about the GOP tax bill.
- Architect Chris Grimley explained how Boston became a center for brutalist architecture.
- Economist Mike Norton explained how different economic statuses correlate to different kinds of leisure.
- Author Celeste Ng talked about her new novel, "Little Fires Everywhere."
- CNN's John King gave his take on some senators hoping Al Franken will un-resign.
- Historian Nancy Koehn explained the uniquely American obsession with consumption, especially prevalent during the holiday season.
