I have never been asked to undergo drug testing.
In any event, I am not personally invested in this issue.
But "Zuerst nahmen sie die Kommunisten fest, aber ich war kein Kommunist..." (Martin Niemöller), and as a political Conservative, at a political website, I nonetheless feel entitled to weigh in on this issue - and I find it appalling that (save for overriding considerations, like in the case of air traffic controllers) workers in America can routinely be required to submit to such invasive medical procedures, or face the consequence of losing their livelihoods.
Regards,
What’s so invasive about peeing into a cup?
Your only real job security is in how well you perform at your job. If you're good at it, you'll be able to find another job someplace else that doesn't weed out people for characteristics that aren't relevant to the position.
An employer should be able to hire or fire anybody he chooses, for reasons as simple as how long they grow their hair or whether they have a spike running through their nose.
Somebody that is marginal in their performance on their job may feel the need to give up the marijuana if the job they currently hold is their only option.
Whether a substance is illegal or not is a separate issue from whether or not it is appropriate to have social consequences to use of that substance.