If you are referring to the "Logan Act", it has already been dismissed that he didn't break any law.
What he did do was conceal the full truth to Pence of his conversation with Russia.
In other words, he lied.
KickingGoals, I don't know how true it is, but Priebus could be at the very heart of the leaked calls getting out to the media.
Katie Walsh has been identified as the leaker.
