The First Lady Jill Biden hosted a screening Tuesday evening at the White House Family Theater for “No Ordinary Campaign,” a documentary chronicling the journey of former White House staffers Brian Wallach and Sandra Abrevaya following Brian’s ALS diagnosis. Mrs. Biden, clad in a maroon dress and a silver brooch, entered the theater around 5:30 p.m. to deliver brief remarks. The audience of approximately 40 individuals, seated and clutching boxes of popcorn, greeted her entrance. She remarked on the room’s quietness, likening it to her first day of class, which coincidentally was that day. “Yo…