Scott Pelley is fired. What's it say about 60 Minutes' future?

For six decades 60 Minutes has been one of the most trusted news programs in America… is CBS leadership making changes that could destroy the program’s future?Over the last week, some of the biggest names at 60 Minutes have been fired from CBS News.Executive Producer Tanya Simon, correspondents: Sharon Alfonsi, Cecilia Vega and last night Scott Pelley.Pelley…