GameStop frenzy 'shows need for closer scrutiny' of markets

Will the GameStop trading frenzy prove to be a turning point for US market regulation? Richard Smith, CEO of the Foundation for the Study of Cycles, says the recent turmoil shows that "a lot of things merit closer scrutiny". Also in today's show: we hear from Benoît Berthelot, author of "The world according to Amazon", on the company's post-Bezos future. Plus, the aviation industry braces for still more turbulence from the pandemic in 2021.