Bill Whitaker

The phenomenon of betting on war and the creation of a whole new category of insider trading; London's black cab industry; director Christopher Nolan.

Financial reporter Andrew Ross Sorkin; using genetic engineering to curb Lyme disease; Payam Khastkhodaei transforms traditional scales and sheet music into a teaching method for piano.

President Donald J. Trump speaks about the incident at The White House Correspondents' Dinner; former Sen. Ben Sasse (R-Fla.); elite racing pigeons becoming targets for organized crime.

Israeli Prime Minister Benjamin Netanyahu; Gov. Jeff Landry (R-La.) speaks about his decision to declare a state of emergency and suspend the state's House primaries until new district maps are drawn; 18-year-old sprinting phenom Gout Gout.

The increasing trend of "disaster tourists"; a dense jungle in the mountains of Colombia where rare species of birds flourish; where flowers for the world's most famous perfumes have been grown and gathered for more than 100 years.

The safe removal of 600 kilograms of weapons grade uranium from Kazakhstan after the fall of the Soviet Union; Rachel Goldberg-Polin talks about the grief of losing her son; drummer Stewart Copeland and British naturalist Martyn Stewart.