Paul Kramer (Vanderbilt) published this in 2017 not long after Trump's first inaugural. The overarching question is still relevant:
What role [can] historians play in countering authoritarian politics?
Engaged historians have these three "knacks," according to Kramer:
1. They disrupt narratives of inevitability.
2. They excavate lost alternatives.
3. They exercise our capacity for empathy.
Worth re-reading.
https://www.chronicle.com/article/history-in-a-time-of-crisis/