Hinckley says he's not an expert on these things, and doesn't pretend to be. He admits that he doesn't know if gays are born that way or not, but that they have a problem.
"DNA vs. The Book of Mormon" presents the evidence from DNA researchers, including Mormon scientists, who are wrestling with the DNA dilemma that now faces Mormonism.
Participants: Thomas W. Murphy; Dr. Simon Southerton; Dr. Randall Shortridge, and others.
The "Disciplinary Actions" chapter of the documentary broadcast by PBS in April 2007.
"Mormons who have challenged the LDS church's doctrine, authority and official history have been dis-fellowshipped and excommunicated."