Does anyone own "The Moral Landscape"?

[The Grand Nudger]

That does seem to quite cover the decision-making elements of governance i.e. costs, benefits and risks.  But "good" is a value-judgement (with intrinsic, contextual and security components).

Sure, but something being a value judgement isn't an obstacle to objectivity; not all value judgement is equal, and not all value judgement is equally accurate.  Factual statements can be made about the value judgement itself.  

On the other hand, the models I teach also include elements of Accountability and Responsibility which swing towards deontology and maybe even virtue.

The short-hand for 'governance' is "doing the right things and doing things right".

The second part is the easy bit as it relates to compliance and following practices and processes using an assortment of quality criteria (measurable using both subjective and objective metrics), but the first part hinges on what is meant by 'right' ... this can be but is not always based on something like a PEST (or PESTEL) analysis.  It could also be interpreted through different lenses (autonomy ethics, community ethics, divinity ethics, ideology (of various types)).  

The good serves the right, and there is certainly more than just one thing in this world that's right. 

This is trivia but I think it's the basic framework for why pluralism is compelling.  

In any case - we can take any example above and assess what, if anything..in each system is meaningfully objective, and meaningfully subjective.  Community ethics, for example..is necessarily more subjective than autonomy ethics (and this is a good thing).  Divinity ethics have issues of fundamental demonstrability, but they're fantastic vehicles for normative ethics.  Ideological ethics run a strong risk of being true...but only trivially so.  These, ofc, are the easiest to argue for and establish...but the conclusions are often unsatisfying.

I'd be grateful of an example.  And a definition of 'facts' in this context.

Cheers.

There is no pet or idiosyncratic definition for "facts" in moral realism.  That's the entire position.  That some statements are facts in precisely the same way, to precisely the same extent, with all of the same caveats...as any other fact. 

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fact
fakt/
noun

1. a thing that is indisputably the case.
   "the most commonly known fact about hedgehogs is that they have fleas"
   synonyms:
   reality, actuality, certainty; More
   
   
   
   
   
   • used in discussing the significance of something that is the case.
     noun: the fact that
     "the real problem facing them is the fact that their funds are being cut"
     
     
   • a piece of information used as evidence or as part of a report or news article.
     synonyms:
     detail, piece of information, particular, item, specific, element, point, factor, feature, characteristic, ingredient, circumstance, aspect, facet; 
     information
     "every fact was double-checked"
     

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As for an example, I'll give you a good one.  It is right to pay your bills.  It is wrong to starve your family.