 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. Guest the newsmaker for your chance to win a pair of tickets to see Neil Gaiman, July 20th at Wolf Trap. Embark on a literary journey with best-selling author Neil Gaiman as he shares stories from a career that covers fantasy, science fiction, mystery, and horror. That's the Mystery Newsmaker, this weekend only from Washington's top news, WTOP.