Martin Kaste is a correspondent on NPR's National Desk. He covers law enforcement and privacy. He has been focused on police and use of force since before the 2014 protests in Ferguson, and that coverage led to the creation of NPR's Criminal Justice Collaborative.
Samples of Beethoven's hair reveal he may have suffered from lead poisoning, which could explain some of the difficult physical maladies the composer suffered in his life.
The first portrait painted of King Charles since his coronation has some critics seeing red. NPR's Danielle Kurtzleben discusses the controversy with art journalist Holly Black.