NEW YORK — Federal authorities have charged a New York man with building a 200-pound (90-kilogram) bomb that he planned to detonate on Election Day on the National Mall in Washington. Paul Rosenfeld, of Tappan, was charged Wednesday with unlawfully manufacturing a destructive device and interstate transportation and receipt of an explosive. Prosecutors say he planned to use the bomb to kill himself and draw attention to a political system called sortation, in which public officials are chosen randomly rather than elected. It was not immediately clear whether Rosenfeld hadRead More