Bush administration officials asserted Thursday that an international consensus had emerged that Syria had been stoking the violence in Lebanon and Iraq and against Israelis, and they said they were now certain that Syrian agents had been operating in Lebanon. The comments represented an escalation of the campaign by Secretary of State Condoleezza Rice to isolate Syria diplomatically as the administration has faced mounting violence against its interests throughout the Middle East. Ms. Rice has not said what other forms of pressure might be applied. Full Story