Disciplinary problems abounded, like guards sleeping on the job and smoking in prohibited areas.

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He first prohibited smoking in bars, which proved to be one of his most popular achievements despite initial resistance.

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Scotland prohibited smoking in enclosed public spaces in 2006 and the rest of the UK followed the year after.

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Luxembourg will by then have prohibited smoking in bars and clubs.

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Smoking, once prohibited only in a few train carriages or sections of aircraft, is now banned totally in many offices, on most public transport and even in many bars.

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Smoking is supposedly prohibited in Beijing taxis but most of them reek of cigarettes anyway, since no taxi driver is going to pick a fight with a customer who lights up.

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Smoking in bars and restaurants is prohibited across the board.

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Despite public outcry, he pushed to regulate trans fat in food preparation in 2007, signed into law a ban on smoking in most public spaces in 2011, and last March prohibited sugary drinks in containers larger than 16 ounces in certain venues.

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