The meltdown at 60 Minutes has transfixed the media world this week, as CBS News editor-in-chief Bari Weiss fired deeply respected staffers and correspondents, installed broadcast-news outsider Nick Bilton as the show’s executive producer, and sparked a messy standoff with Scott Pelley, who grilled his new boss and accused Weiss of “murdering” the show – all before being shown the door himself.