G-20 endorses global corporate minimum tax at Rome summit

British Prime Minister Boris Johnson, French President Emmanuel Macron, German Chancellor Angela Merkel and U.S. President Joe Biden pose for a photo Saturday at the G20 summit in Rome. (Stefan Rousseau/Pool via AP)

ROME — Leaders of the world’s biggest economies on Saturday endorsed a global minimum tax on corporations, a linchpin of new international tax rules aimed at blunting the edge of fiscal paradises amid skyrocketing profits of some multinational businesses.