Who is the 'Liver King' and what is his beef with Joe Rogan?

Brian Johnson, known as “The Liver King” online for his raw “ancestral-based” diet, made headlines this week for his beef with podcaster Joe Rogan.
NBC News
Brian Johnson, known as “The Liver King” online for his raw “ancestral-based” diet, made headlines this week for his beef with podcaster Joe Rogan.
NBC News