I don't know, as I've had no occasion to research the Tennessee court decisions to see if they've ever spoken on that principle. But while you may agree with the Georgia courts stance on the matter — and perhaps a majority of states would as well — I've lived in enough different places and researched the law while in those places enough to know that there are occasions in which one or more states depart from what everyone else does. Lawyers who assume the law in State X is the same as their own state's law or the law in the majority of states can get burned by that assumption. But I stand by my assertion that your claim that Ballard is (as opposed to might be) on point for the OP is wrong for the simple reason, which you seemingly now acknowledge, that the decisions of the Supreme Court of Georgia are not binding on the Tennessee courts and thus are not law in Tennessee. Perhaps the Tennessee Supreme Court would hold as the Georgia Court did in Ballard, but it does not have to do so and thus a conclusion that "Ballard vs. Meyers is explicitly relevant to the OP's inquiry," as you put it, is in my view erroneous.
If you please, I referred the OP to the Ballard decision because it "
explicitly " stands for the proposition that an evidentiary document intended to be used for purposes of impeachment (when and if needed) DOES NOT need to be disclosed in the pre-trial discovery process! Which rationale if applied would favor the OP's desire to withhold from discovery some likewise impeaching material. Nowhere have I even intimated that it would be applicable in Tennessee or that it would be decisive of the issue.
Now if you want to nit-pick over modifiers so be it, but if you'll set aside your penchant for finding fault with my postings and read Ballard in conjunction with the OP's question you must honestly admit the Georgia case is clearly relevant. On all fours it is relevant.
As to your comments about your so-called diversity of individual state laws: Once again honesty and realism will compel you to admit that (outside of procedural devices) there is more harmony than disharmony. Ten fold more harmony! The term happens to be
American Jurisprudence, not individual state jurisprudence!
Frankly I'm a bit disappointed in the way you have slanted your responses favoring contributors to this thread who have never seen the inside of a law school nor heard of the principle of
stare decisis. Not to mention one prominent contributor who seems to believe that the Georgia Supreme Court is part of the federal court system. Lastly:
I've lived in enough different places and researched the law while in those places . . .
Strangely I wasn't aware of the need to be in a different place in order to research the laws of that particular place! There are numerous watersheds and several mountain ranges between where I sit and Atlanta, Georgia, the site of the Georgia Supreme Court, but I was able chase down its reported case of
Ballard vs. Meyers without suffering the climate. (As Rodney Dangerfield described it: "
A sauna with gnats!")