HRC: "We banned it in New York City..." and "business increased.." I "think that we should be moving toward a bill that I have supported to regulate tobacco.." . She's not in favor of a national law to ban smoking in all public places.

Obama: "Local communities are making enormous strides and they're making progress.." But if local laws don't work, "then I would" favor a national law.

Richardson, Gravel, Kucinich, Biden and Dodd would endorse a national law banning smoking.

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