 Test your newsmaker knowledge this Saturday and Sunday morning in the 8 o'clock hour with the Mystery Newsmaker Contest. We'll play the voice of someone you've heard in the news this week on WTOP. Guess the newsmaker for your chance to win a four-pack of tickets to Ghostbusters in concert with the NSO, July 26th at Wolf Trap. Experience the beloved 80s classic Ghostbusters like never before as the National Symphony Orchestra performs. That's the Mystery Newsmaker, this weekend only, from Washington's top news, WTOP.