Of course, New Delhi denies agreeing to anything more than having Washington act as a channel of communication, but that is precisely how the United States can contribute most usefully. Whatever name Washington's role might be given, it has become a crucial player and will remain so. What distinguishes the U.S. role today is the virtual impossibility of seeing any lasting Indo-Pakistani tranquility without Washington's efforts. The United States can provide no magic solution -- and should not try to -- but it is an important new element that can help change the circumstances between India and Pakistan