letter/email explaining what an alternative fact is claimed to be

write a letter/email explaining what an alternative fact is claimed to be. Do some research to find an example for what was presented as an alternative fact in the traditional or social media. Then provide a critical evaluation of the concept of alternative fact in the context of your example.
The letter/email can be addressed to anyone. It should not be longer than 350 words. Your letter/email should be in formal register and MLA style.