Wal-Mart and a group of food giants are teaming up with IBM to explore how to apply blockchain technology, also known as distributed ledger tech, to their food supply chains.

Entire industries, from textiles to toys, have become almost extinct in the U.S. as manufacturers moved abroad in search of lower costs or got swept away by a wave of imports.

A new report examines the impact of protectionism, food and water scarcity - and the prospect of another energy crisis on supply chains in the U.S. and around the world.

The nation has split into political tribes. The culture wars are back, waged over transgender rights and immigration. White nationalists are on the march. Amid this turbulence, a surprising group of Americans is testing its moral voice more forcefully than ever: C.E.O.s.