Re: Persona non grata.
@AC
"No - the government handled correctly here and they cannot act in any other way". You're new around aren't you? Have you ever heard of extraordinary rendition? ie some people are above the law.
"Leaving him alone was the smartest thing they have done." No, it was the only thing they could have done due to the media spotlight.
As the government ethics officer says, "it's only illegal if you get caught...[and even then it doesn't matter]."