Boston Calling

President Trump has promised to help America’s soya bean farmers, who have found themselves caught in the middle of the US-China trade war. But will his help be enough?Also: an ice-cream maker in Philadelphia exports his product to China, for people with expensive tastes; a newcomer to Mexico City learns that quesadillas don’t always come with cheese; two entrepreneurs take Korean-Mexican fusion cuisine to Seoul; plus we remember restaurant critic Jonathan Gold and the effect he had on food culture in Los Angeles.(Image: Corn and soya beans grow on a farm near Tipton, Iowa. Credit: Scott Olson/Getty Images)