Innocent Until Proven Guilty

If the investigation was supposed to focus on who, if anyone, leaked Valerie Plame's name as a CIA Operative (whether or not she was actually "undercover" is still in doubt and ought to have been a major part of the investigation), then why is no one being charged with revealing classified information?

These charges against Lewis "Scooter" Libby are ridiculous.

First of all, was there even a crime committed? There can't be a cover-up without an actual crime, can there?

AP story here. Keep in mind it is the AP's story, so it will be biased toward the Left, obviously.

And as the President said, "In our system, each individual is presumed innocent and entitled to due process and a fair trial."