With gold passing $4,000 per troy ounce for the first time, Wayne Gordon and Giovanni Staunovo of UBS join the show to discuss this record, whether central banks will keep buying and what this means for smart investors.

The ‘Year Ahead’ – revisited
13:43

250 years of US innovation, part two: Aviation
20:53

Highlights of the year: Nobel Perspectives with Daron Acemoglu
17:46