"The world is awaiting your signal. It is watching you. Do not let the world and us wait any longer."
-- Lech Walesa in Washington
The Polish Solidarity leader, and the world, may have to wait considerably longer for any clear signal about what kind of post-cold war Europe the U.S. envisions, and what it may do to help create one. The progressive dissolution of the onetime Soviet Empire in Eastern Europe, symbolized by the opening of the Berlin Wall, raises the possibility of a historic turn toward peace and cooperation -- but also the danger of churning instability. So the...