Creating a new perspective and changing back and forth causes topics to be duplicated. <img width="1220" alt="screen shot 2019-01-02 at 6 01 14 pm" src="https://user-images.githubusercontent.com/1044986/50621083-76b73400-0eb8-11e9-91c2-ac995e9f0e10.png"> <img width="1220" alt="screen shot 2019-01-02 at 6 01 23 pm" src="https://user-images.githubusercontent.com/1044986/50621085-79b22480-0eb8-11e9-940a-ce25d9de107f.png">
Creating a new perspective and changing back and forth causes topics to be duplicated.