[lewislynn]

Those who believe in free enterprise understand that owners who wish to run smoke free businesses should do so,

Then you'd have no problem with landlords not allowing smoking in his/her rentals.

[per loin]

Then you'd have no problem with landlords not allowing smoking in his/her rentals.

Of course not. Nor would I argue against their right to ban non-smoking tenants, should they choose to do so.