Dominic Patten Senior Editor, Legal & TV CriticEXCLUSIVE: More than three months after Hollywood came to a halt due to the coronavirus pandemic, NBCUniversal has begun a cautious return to work.Drawing from a comprehensive plan initiated mere days after its 400-acre Los Angeles facility shut down March 13 as well as the latest government guidelines, the Comcast-owned company this week began an incremental reopening for employees at its headquarters just off the 101 Freeway, according to internal