One day after critical talks on the rebuilding effort at ground zero collapsed, the Pataki administration said yesterday that it would not reopen negotiations with the developer Larry A. Silverstein. It challenged him to start building the $2.3 billion Freedom Tower next month or "move out of the way." The challenge came 12 hours after the abrupt breakdown of talks that had sought to resolve issues hindering the development of ground zero, where the sputtering efforts to develop the site of the Sept. 11 attack have become a glaring embarrassment for the city and state. Facing a self-imposed midnight deadline,...