Can Artificial Intelligence Silence Internet Trolls?

Have you ever been attacked by trolls on social media? In December a mocking tweet from white supremacist David Duke led his supporters to turn my Twitter account into an unholy sewer of Nazi ravings and disturbing personal abuse. It went on for days. Faced with a torrent of hate and abuse, people are giving up on social media, and websites are removing comment features. Who wants to be part of an online community ruled by creeps and crazies?