Minutes after Donald Trump unveiled a climbdown on tariffs, softening an extraordinary US attack on trade from much of the world, his press secretary scolded reporters at the White House. “Many of you in the media clearly missed The Art of the Deal,” said Karoline Leavitt, referring to the 1987 bestseller which laid the foundations of the president’s reputation as a consummate dealmaker. Outside the administration, Wednesday’s 90-day pause of vast tariffs on dozens of countries – the latest bewildering reversal on tariffs since he took office, coming as his deputies repeatedly swore the levies were here to stay –...