Thanks for the context. My comment was not intended as an indictment of the post. It's an interesting problem and the missing physics is clearly not trivial. Al

Thanks for the context. My comment was not intended as an indictment of the post. It's an interesting problem and the missing physics is clearly not trivial. All I mean to say here is that I think saying "no one knows" trivializes all the knowledge that people (like you!) do have.