Reconsidering the LDS Church's established narrative on polygamy.
Credible evidence (documented statements from Joseph, Emma, Hyrum, and others) indicates that it may have been Brigham, and not Joseph, who introduced polygamy to the LDS Church and that historical records were later changed to misrepresent Joseph's teachings on polygamy.
Recommended reading:
http://downloads.miridiatech.com.s3.amazonaws.com/remnant/JosephSmithsMonogamy.pdf
A recording of this video in Portuguese is available here: https://youtu.be/EYFPZXuNQpQ