By Selwyn Duke

It’s a bit like a general vowing to go off to fight some ghost army on the other side of the Earth while his own land is being overrun by barbarians. San Francisco, known for aggressive vagrants and streets littered with fecal matter, hypodermic needles, and trash, is thinking globally and acting loco: Ignoring its real problems, many of its residents and politicians have resolved to banish paper to-go cups. At one café, in fact, customers will be encouraged to bring their own coffee mugs.

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