Elon Musk’s effort to break up the duopoly of American politics is extremely unlikely to succeed, for reasons we shall explore, but he could still play a crucial role as a spoiler.

A new U.S. law threatens to cement the dominance of a shape-shifting dollar over the euro — and every other currency.

Donald Trump’s tariff threats are just part of a much wider shift. Gillian Tett explains why commerce is being subordinated ...