Donald Trump's warning of 'fire and fury' to deal with North Korea has rattled global markets.

The case studies we've picked for this year's 100 Great Supply Chain Partners list illustrate again and again how careful vetting leads to links with people you can truly rely on.

Africa's past is the mildewed train station in central Addis Ababa, where locomotives sit gutted and rusted tracks vanish in the grass. The line was once the greatest in Africa; built by France in the 1910s, it ran more than 450 miles northeast to neighboring Djibouti, where the desert meets the sea.