Hotelier Jason Pomeranc is creating posh microcosms of gentility all over the city. Since his luxury boutique hotel brand launched seven years ago with the opening of 60 Thompson, Pomeranc has opened two more New York properties, 6 Columbus and Gild Hall. Now, everybody's wondering when his next venture, Thompson LES, at 200 Allen Street will swing open its doors to what The Observer says has become "a no-man’s land of rats, dirty streets and......