One of the most contentious claims Donald Trump ever made was his insistence that he had been the target of spying. He made the charge in several different ways. For example, in March 2017, Trump, just two months in office, tweeted: "Terrible! Just found out that Obama had my 'wires tapped' in Trump Tower just before the victory. Nothing found. This is McCarthyism!" Two years later, in April 2019,…