Drugs are just one aspect. I think tax is the larger issue. Sure you can always hide why a transaction is taking place, but if you force all transactions thro

Drugs are just one aspect. I think tax is the larger issue. Sure you can always hide why a transaction is taking place, but if you force all transactions through some sort of system, you can at least tax the activity.. or prevent the millions of restaurant owners and others with similar businesses from just taking their cash sales directly without reporting them.