New Civil Liberties Alliance says president’s invocation of emergency powers to impose tariffs is unlawfulUS politics – live updatesA libertarian group backed by Leonard Leo and Charles Koch has mounted a legal challenge against Donald Trump’s tariff regime, in a sign of spreading rightwing opposition to a policy that has sent international markets plummeting.The New Civil Liberties Alliance filed a suit against Trump’s imposition of import tariffs on exports from China, arguing that doing so under the International Emergency Economic Powers Act (IEEPA) – which the president has invoked to justify the duties on nearly all countries – is unlawful. Continue reading...