They Obama Administration just needs to run out the clock. They know that, if they make it to next Presidential Administration, they will never be prosecuted. After all, if an outgoing Administration cannot safely leave office without facing prosecution policies, no matter how criminal, there cannot be an orderly and lawful transfer of power and civil war will follow.
To make things more amusing, though, the Congressional ‘Pubbies see determined to help them.
Is that how it worked with Iran Contra prosecutions?