Is there, though? I mean, she was being investigated for a bunch of things, going after people who had p'd off her husband and such, and then it just dropped after she left office. Bush is unpopular too, but I don't see anyone going after any of the stuff that his admin did.
Meanwhile, if your email was hacked? No way the feds take the case. That's what I'm upset about, mostly. The dufus broke the law but it seems we have an entirely different standard for enforcement.
RE: evidence of wrongdoing, state business over personal email is illegal, period, and for very good reasons. This is professional ethics 101 if you've taken an oath to serve the public in elected office. If you're doing public business, it has to be on the record. It's legal not theory, it's legal fact.. if it applies to an Alderman, it applies to the Governor.