Episode Title: "The Financial Odyssey: U.S. Commercial Banks (2000-2020)"

1. Introduction:
   • A 20-year retrospective on the journey of commercial banks in the United States.
   • Using the metaphor of a grand, sprawling tree to depict the banking system.
2. The Role of Banks:
   • Demystifying 'financial intermediation'.
   • Banks as the heart of the economy: How they function as a bridge, taking savings and turning them into loans.
3. Trials and Triumphs:
   • The glistening era of the early 2000s.
   • The tempest of 2008: The factors leading up to the financial crisis.
     • Illusions of unending growth.
     • Complex financial tools muddying clear sight.
     • Over-ambitious homeownership dreams.
   •  ...