Historical group says "Richard III was innocent, okay?"

This article discusses the Richard III Society, "a quiet army" that is "fighting to clear his good name," and also mentions the De Vere Society and other such organizations.

"Their argument is that pretty much everything we know about Richard III comes from Shakespeare's play," he writes of Richard III, "and pretty much everything Shakespeare knew about him came from a history written by Sir Thomas More. And More was only five years old when Richard died, so what did he know?"