“Firstly, by way of background, The Mamatas Challenge was a comment by author Nick Mamatas on John Scalzi’s blog: http://whatever.scalzi.com/2015/04/20/keeping-up-with-the-hugos-42015/#comment-781272“ “If the Hugos have really been dominated by leftist material that prized message over story since the mid-1990s (Brad’s timeline), it should be very simple for members of the Puppy Party to name one work …