Gazing into the recession crystal ball

NEW YORK (Reuters) - The protracted trade war between China and the United States and a deteriorating global growth outlook have left investors nervous that the longest expansion in American history is at risk of ending.Recession fears were sparked earlier this year when the yield curve inverted - a key indicator of a pending downturn.An inverted yield curve occurs when yields on short-term bonds are higher than those on long-term bonds, a sign investors are so worried about the future that they..