A United State diplomat, in a scathing resignation letter, chided Secretary of State Rex Tillerson and outlined both the deterioration and dysfunction of the U.S. State Department during his tenure, charging that he’s caved under the irresponsible strategy of the Trump Administration.

So, what can we take away from this case when it comes to leadership development?

Yes, this is an extreme example. It’s politics. It’s unconventional. It’s in the era…