Two months ago, Con Ed admitted that the former power plant on Kent Avenue would be demolished (when asked earlier about all the activity at the site, the utility claimed it was just "spring cleaning"), and now it looks like the beautiful, century-old building's final days are here. Photographer Nathan Kensinger, who currently has an exhibit at the Brooklyn Public Library documenting Brooklyn's fading waterfront, took these exclusive photographs of the Powerhouse. From the looks......