Well, for a non-TSA related comment, if you want an airline you can vape on the plane, its Cubana all the way. This is not a reason to ever fly that airline. And if you do go to cuba, just know that I think they allow smoking on the plane, because every condemned person deserves a final cigarette...
Now executive lounges. I don't know about any of their official policy, and if its just been fantastic good luck, but there has yet to be an Admirals club to ask me to stop. Sure, some have wandered over to me, but then they realize its not smoke, and never ask me about it... Probably good luck.