Should Smoking Be Banned in Public Places

I remember that when I was child, I saw one public service announcement in the television that was performed by Yul Brynner, who was an actor of "The King and I". In an announcement, he said, "If I hadn't had smoking the cigarette, I would not have talked to you smoking was hazardous the health". An announcement was played after he had died in lung cancer, which was caused by smoking. This announcement gave me deeply impression that cigarette was harmful our health absolutely. However, how many people agree this? …