I also agree Walker looks like the front runner. He's still developing, but he starts from a very strong position. If he can avoid any major flubs that the media can run with, he has a real shot.
Calling out hypocrites is about as productive and difficult a task as shooting fish in a barrel.
"Hey - Nixon engaged in obstruction of justice, too! We have precedent!"
Let's see how that one goes over.
Basically, she was required by law to archive her communications on federal servers. She did not.
Also of note, according to TSG she forwarded classified intelligence Emails to Sidney Blumenthal, who was not a federal employee.