So how quickly did the US change its mind on cannabis? Here is Ronald Reagan

when he was running for president in 1980. Marijuana, pot, grass, whatever you want to call it is probably the most dangerous drug in the United States

and we haven't begun to find out all of the ill effects.

Cannabis was illegal back then and remained so for years. How about today?

The vast majority of Americans support some form of legalization and cannabis is fully legal in 24 states.

It's sold in 14 more for medical use, although to be honest, the medical tag is often a very small fig leaf.

Oklahoma, for instance, leads the U.S. in per capita cannabis dispensaries, and it is one of those

14 states that allows only medical use. In other words, when it comes to cannabis, it's pretty easy to get a

note from your doctor. So how widespread is cannabis use today? Last week in part one of this series,

we heard that the US just reached a milestone.

There are more daily or near daily users of cannabis

than there are daily or near daily users of alcohol.

The cannabis industry today employs half a million people,

includes 12,000 licensed retail locations,

and takes in $30 billion in annual sales.

So today in part two of our series, we started out with a simple question.

Who is making all that money in the cannabis economy?

But we learned there might be a better question.

Is anybody making any money?

Everybody believed that this would be like Silicon Valley,

this giant growth industry. The cannabis industry is a bit of a mess and we

explore the reasons. There are a lot of reasons. I sunk my life savings and

...