As the signs have gone up, the opposition has come out against Grass Valley’s ordinance that bans smoking in its “Downtown Core.” “Intolerant,” “nanny government” and even “totalitarian” are some terms used to describe the city council’s decision. But while resistance to the new rule in town is to be expected, such over-the-top terminology just doesn’t fit. Some who oppose the smoking ban say it boils down to a “rights” issue. We agree, and apparently so do the city’s council members. Back in November, when the council approved the ordinance — similar to one implemented earlier in Nevada City — …