WASHINGTON (Reuters) - The United States has hinted it might try Middle East peace-making once again, but Secretary of State-designate John Kerry is likely to move cautiously, in contrast to U.S. President Barack Obama's failed, high-profile first-term initiative. While the possibility of another failure may hang over the White House, Kerry suggested this week that time was running out for a two-state solution with Israel living alongside a sovereign Palestinian state. He said it would be "disastrous" if it did. ...