Ummm, that's been discussed a million times on our Premium Board since the story broke.
What other choice does A&M/Sumlin have OTHER than to play him if no evidence has been found to support the accusations? A&M is conducting it's own investigation into the matter. If they find something or feel there "might" have been a rule broken, then I'm sure Sumlin will be advised to sit him. Otherwise, he'll play.