Rare indeed, and bracing, are the moments that strip us of certainties and force us back to consideration of our most fundamental values.
Such was 2016.
Donald Trump campaigned to an America now largely dependent on televisual and social media-provisioned sources of information and misinformation.
Institutions - such as newspapers, political parties and universities - that have traditionally helped test and vet evidence and argument hit, and now must face, the limits of their influence.
As a society, we find that our disagreements are deep and that many of us, perhaps even most of us, too easily personalize them. We are dangerously near treating one another as aliens.
Where to from here? The single most helpful resource I have hit upon this fall is an old book by the Roman politician and intellectual Cicero. It's called "On Duties." In it, Cicero offers guidance on navigating turbulent political times.