In Kosovo, where the Yugoslav leader, Slobodan Milosevic, is resisting the deployment of NATO-led troops, including 4,000 U.S. soldiers, Albright insisted that NATO was the best tool to enforce a peace settlement.  We must be clear in (explaining) that a settlement without NATO-led enforcement is not acceptable because only NATO has the credibility and capability to make it work,  she said.  
 Verb: explaining
Yes