A Central Ally – In the last year, 90,000 Salvadorans have been apprehended at the U.S. Southern border. The migrants are fleeing economic hardship and, in many cases, gang violence – a vicious combination making it extremely difficult for Nayib Bukele, El Salvador's young president, to improve his country. Sharyn Alfonsi reports.

The Lost Music – An Italian composer and pianist who converted to Judaism, Francesco Lotoro, has made it his mission to recover, catalog, and perform music written during the Holocaust – including works done secretly by prisoners in Nazi concentration camps. Jon Wertheim reports.

Venice is Drowning – One of the world's cultural gems and the city of canals and gondola boats is facing an uncertain future as it deals with increasingly higher tides blamed on climate change. John Dickerson reports. 

Joaquin Phoenix – Meet the real man behind the dark and complicated roles he's known for playing. Anderson Cooper profiles the Oscar-nominated actor from the controversial film "Joker" and gets a rare interview with his family. 

Rafa – The world's #1 tennis player, Rafael Nadal, takes Jon Wertheim back to his hometown on the beautiful Spanish island of Mallorca. But it's not a vacation, as the court star known as "Rafa" to his fans practices intensely every morning.