**SNIP** Yet, in reporting the story, the Times' Mark Mazzetti took pains to stress: "The government has said that Mrs. Clinton is not a subject of the investigation." Really? Well, to put it in Clintonian terms: It all depends on what the definition of "subject" is. Though you wouldn't know it from the Times, "subject" is a term of art in criminal investigations. It refers to one of the three categories into which prosecutors fit every relevant actor. Subjects are people whose conduct is being scrutinized and who, depending on what evidence turns up, may or may not be charged....