Not sure why you're being down voted. For the vast majority of jobs, recreational drug use is commonplace already. I'm not sure the solution is to ensure that

Not sure why you're being down voted. For the vast majority of jobs, recreational drug use is commonplace already. I'm not sure the solution is to ensure that the minority that get caught are unable to ever go back to being productive, effectively being forced into finding alternative means to pay their rent/bills/etc.