New York (CNN) -- Demonstrators encamped in a Lower Manhattan park faced New York's first snow storm of the season Saturday without the benefit of propane tanks and generators that they had been using to cook food and keep warm. "It's pretty dirty, and we're all freezing cold," said Alec Courtney, who says he runs a shoe-shine stand at the city's Zuccotti Park to make money. "We just try to huddle together."Courtney, a resident of the New York City borough of Brooklyn, says he's been camping at the park for the last 20 days and plans to stay there --...