See the following link from the PBS Newshour for more: http://www.pbs.org/newshour/bb/as-racial-hate-groups-rise-strategies-to-shut-them-down/
If you have been infected with hatred and want to get out, see: http://www.lifeafterhate.org/
See also, http://jsbrookspresents.blogspot.com/2016/03/new-term-for-misinformation-play-with-it.html and learn a term for the misinformation hate groups provide to provoke others ...
Another useful post is one on avoiding fanaticism: http://jsbrookspresents.blogspot.com/2016/03/fanaticism-avoid-it.html
For a post on the dehumanization that comes from stereotyping, see: http://jsbrookspresents.blogspot.com/2014/08/stereotyping-and-dehumanizing-run-wild.html