why do you believe you have the <i>right</i> to go to a restaraunt and not be bothered by smoke? rob, you even said:
[emphasis mine]I go to a restaurant for dinner. The guy beside me is chain smoking. Should I have to be submitted to this? No. <i>Should I have to leave the restaurant? No.</i>
why shouldn't you have to leave the restaraunt? from what logic do you derive the belief that you have the <i>right</i> to tell that restaraunt owner how to run his business?
and as for the employees - they are only there because they want to be. a person who voluntarily signs up for a job accepts all the risks involved. these are not slaves we are talking about, they are paid volunteers.
furthermore, there are studies that suggest that your body naturally eliminates a certain percentage of the toxins in cigarette smoke, provided they do not exceed a certain threshold. the <i>theory</i> that second hand smoke is as dangerous as smoking is still just a <i>theory</i>.
this is not about smokers vs non smokers or employees vs owners. it is about the property rights of the people who own the building. honestly, why do you think you have the right to tell somebody what they can or cannot permit on their own property?
what if a bar owner came to your house and told you that you were from here on out, prohibited from hanging paintings on your walls or painting them any other colour then blue? would you think that is alright?