As President-elect Donald Trump swiftly fills up his cabinet with loyal supporters, some messy – and public -- in-fighting is holding up a crucial economic appointment.

NPR's Mary Louise Kelly talks with Ellie Bolas, the lead author of a seven-year study that suggests mountain lions in Los Angeles have adjusted their schedules to avoid human activity.

NPR's Ailsa Chang talks with actor Jaleel White about his new memoir, Growing Up Urkel, and the highs and lows of the fame ...