This is an excellent and timely TED talk.

https://www.ted.com/talks/coleman_hughes_a_case_for_color_blindness

But, after a protest from its black employees, The TT organization soft pedalled its distribution and promotion, and forced Colemans Hughes to enter into a debate defending it, before they would allow it to be released.

Can you imagine anything more out of spirit with free discourse.

Shameful.

I urge you to share it widely.