THERE is something about smoking that is very French. Jean-Paul Sartre enjoyed a cigarette, so did Colette, Bardot, Camus and Coco Chanel.But as in other European countries, smoking in public is becoming taboo - much to the annoyance of many who are used to lighting up pretty much anywhere, even in the revered corridors of power. Last week, after a five-month government inquiry, a parliamentary committee approved a proposal to ban smoking in public areas. Under the measure, cafés, hotels, restaurants, discos and casinos could designate spaces for smoking only if they could be "hermetically sealed areas, furnished with air-extraction...