Revenue from legal medical and recreational marijuana could exceed that of the National Football League as early as by 2020, according to one estimate. Total legal marijuana revenue in the U.S. was estimated at $8.6 billion to $10 billion in 2018. That is approaching Taco Bell’s revenue of $10.8 billion and could surpass the NFL’s $15 billion by 2020, according to a report by Marijuana Business Daily. Eleven states and Washington, D.C., have legalized marijuana for adult recreational use,…