It seemed that conditions in San Francisco couldn't get much worse than open-air drug markets, piles of poop on the sidewalks, and streets littered with heroin needles. Then an NBC Bay Area ...

Annette Margolis waved a green dog bag as her pitbull-boxer mix did his business Friday morning. “I’ve got a bag,” she said, smiling cheerfully as she scooped up the dog droppings. Unfortunately, ...