I recently learned that one of the authors of The Daily Stoic: 366 Meditations on Wisdom, Perseverance, and the Art of Living — Ryan Holiday — had his Naval Academy lecture cancelled:

For the last five years, I've been reading this book as part of my daily morning devotion practice (MORE INFO).

I am so sorry this happened. 

Ideas matter. Freedom matters. Freedom of speech matters.  Critical thinking matters. Learning matters. 

Sticking your head in the sand is stupid.

Banning books is a sign of weakness and fear.

While you can't watch the planned talk, here is the video of the talk that Ryan recorded later: