Two firefighters were shot dead and a third wounded on an Idaho mountain when they were ambushed by a man who set the fire to lure them to the area, the local sheriff says.
Hosted by Lee Cowan. In our cover story, Ted Koppel examines how funding cuts and layoffs are affecting cancer research at the National Institutes of Health. Also: Ben Mankiewicz previews the new “Superman” film, and talks with director James Gunn and actor David Corenswet; Lesley Stahl sits down with conductor-composer Michael Tilson Thomas; Jo Long Kent profiles CEO Dara Khosrowshahi, the driving force behind Uber; Robert Costa interviews Sam Tanenhaus, author of a new biography on conservative commentator William F. Buckley Jr.; and Seth Doane scans the heavens at the Vatican Observatory.