NEW YORK -- The suicide bombers cooked up their explosives using mundane items like hydrogen peroxide. They stored them in a fancy commercial refrigerator that was out of place in their grimy flat. And cell phones likely were used to set them off. Those details from the July 7 London bombing emerged on Wednesday at an unusually wide-ranging briefing given by the New York Police Department to city business leaders. The briefing -- based partly on information obtained by NYPD detectives who were dispatched to London to monitor the investigation -- was part of a program designed to encourage more...