Hind Hassan travels to northwest Syria to investigate a recent devastating earthquake and what prevented critical humanitarian aid from getting to survivors in the region who needed it the most; Krishna Andavolu reports on rapid developments in artificial intelligence and learns why many in the tech industry worry that time is running out to uncover how these new AI systems really work - before they become too powerful to control.

Matthew Cassel covers Israeli Prime Minister Benjamin Netanyahu's return to power by partnering with far-right political parties and their historic and controversial attempt to overhaul the Israeli supreme court; Paola Ramos travels from drug labs in Mexico to Oregon, the state with the highest percentage of meth addiction in the U.S., to understand how the cartels' newest, cheapest and most potent form of meth, known as "Supermeth", is fueling an overwhelming national mental health crisis.