London-based Barclays Bank agreed to pay a $453 million fine over charges it manipulated the London Interbank Offered Rate — LIBOR — a key global interest rate. Oli Scarff/Getty Images hide caption

itoggle caption Oli Scarff/Getty Images

The U.S. Supreme Court, 70 years after rejecting Roscoe Filburn's bid to limit the federal government's power to regulate commerce. Chip Somodevilla/Getty Images hide caption

itoggle caption Chip Somodevilla/Getty Images