A SHADOW LOOMS over the world. In this week’s edition we publish The World Ahead 2024, our 38th annual predictive guide to the coming year, and in all that time no single person has ever eclipsed our analysis as much as Donald Trump eclipses 2024. That a Trump victory next November is a coin-toss probability is beginning to sink in. Mr Trump dominates the Republican primary. Several polls have him ahead of President Joe Biden in swing states. In one, for the New York Times, 59% of voters trusted him on the economy, compared with just 37% for Mr Biden....