People have been gambling forever basically. It is very difficult to enforce. Often times those very people who are supposed to enforce are placing bets. Hell, our States Attorney in my city was caught at a mafia run poker game a few years ago. Some kids tried to rob it, someone got shot and the police came. Our States Attorney declared a "conflict of interest" when it came to prosecuting and it got swept under the rug. Also, in lots of bars we have slot machines that are supposedly "just for fun", but if you know the right people you can get paid for them. I don't know why the just do not legalize it all and tax it. We need the money. Put the taxes in the education system (like the lotto) or a job creation program.
Lots of things are difficult to enforce so people look the other way. Its very rare for people to get marijuana possessions charges nowadays in my city. The only way it happens is if you do something else or are a jerk to the cops. I also lived in London for awhile, where sports betting was legal and it didn't appear to destroy society or anything else. Sadly, many laws in the United States were influenced by religious code, even when they are not supposed to be.
Lots of things are difficult to enforce so people look the other way. Its very rare for people to get marijuana possessions charges nowadays in my city. The only way it happens is if you do something else or are a jerk to the cops. I also lived in London for awhile, where sports betting was legal and it didn't appear to destroy society or anything else. Sadly, many laws in the United States were influenced by religious code, even when they are not supposed to be.
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Nice start anyway. 
Good job, thanks for your efforts