The Federal Reserve kicked off its second Trump era right where it left off: Doing exactly what it wanted to do, ignoring President Donald Trump’s demands that it lower rates.

A new memoir by the tech mogul recounts a boyhood steeped in old-fashioned, analog pastimes as well as precocious feats of coding.

He has run his Republican enemies out of his party. He has spurred a swift corporate reversal on D.E.I. And he has so ...