On Wednesday, Toronto smokers will be forced off the minuscule pieces of public real estate to which they still have access: designated, separately ventilated smoking rooms, cigar bars and, to most everyone's surprise, many outdoor patios. The Ontario-wide legislation expanded last month to include the great outdoors, making it one of the most aggressive anti-smoking laws in Canada. Smoking will be prohibited on patios with any sort of awning, any kind of built-in overhang (even when it is a permanent feature of the building), or even when patio umbrellas are deemed to be too close together. Bar owners, let me...