A look at the day ahead in European and global markets from Wayne Cole. The early Asian reaction to the utter mess that is U.S. tariff policy was to revive the "sell America" meme, with the dollar and Wall Street futures sliding. So, the Supreme Court strikes down President Trump's signature emergency tariff policy, essentially saying he's been breaking the law for almost a year. Then Trump holds a media conference where he announces a 10% tariff on the whole world, effective from Tuesday.