Terry Gross

Siddharth Kara talks about how cell phones and electronic vehicles are powered by cobalt mined by workers in slave-like conditions in The Democratic Republic of Congo. Cobalt is an essential component of the rechargeable batteries used in devices and EV's. He has researched modern day slavery and human trafficking for over twenty years.

Neurosurgeon HENRY MARSH describes how his own cancer diagnoses led him to reflect on the doctor-patient relationship, his own mortality, and medically-assisted death

Crosby, who was also a member of The Byrds, was known for his great harmonies, his songwriting. He died Jan. 18. In 1990 Terry Gross spoke with Crosby and his former bandmate Graham Nash.