There is no underlying crime. The agent in question wasn't even covert.
And Libby's case is going to fall apart before trial.
The left will cry and invent some new conspiracy to explain how the witch hunt failed to find a witch.
I'm not so optimistic. Fitz is not investigating that anymore. He's investigating the response to the investigation, and trying to decide whether Rove's failure to mention the Matt Cooper phone call until after Luskin lunched with Viveca Novak will revivify his vendetta against Rove.