Broadway is now closed, but this sight is worth mentioning.There it was, on the front of the New York Times Arts section, on March 12. “Staring down the Red scare,” it said, beckoning the reader to page 2. Inside, the headline to a Laura Collins-Hughes theatre review was “Red Scare Is No Match for Her: The heroine is Margaret Chase Smith, the Maine senator who stood up to McCarthyism.”