Columbia Law School's David Pozen explores Americans’ right to use drugs in his new book "The Constitution of the War on Drugs."Then, Zak Garner-Purkis, Investigations Editor at the UK’s Daily Express, takes us inside the April 20 anti-tourism protests on the Canary islands.And the St. Regis highlights their dining options with Chef Lawrence Abrams and Executive Sous Chef Jason Lahrman.