Economic war against whole world: Trump supporter billionaire Ackman on tariffs

US President Donald Trump's supporter and billionaire hedge fund manager Bill Ackman criticised him over his reciprocal tariffs, saying they are essentially "a global economic war against the whole world". "We're heading for a self-induced, economic nuclear winter," said Ackman and urged a 90-day tariff pause to renegotiate unfair deals. Investments and consumer spending will slow down, he warned.