To no one’s surprise, statements from McGregor are among a range of social media posts being examined by a Garda investigation following the riots. Photo by Megan Briggs/Getty Images There are no limits to human misunderstanding, wrote the historian and diplomat Harold Nicolson. “The line of comprehension runs strict and narrow as a military canal while the area of incomprehension possesses no outline at all, but fades beyond the horizon, having the immensity and the countless silly smiles of the Pacific Ocean.” He was describing the jeopardy of public speaking 76 years ago, well before the arrival of Twitter/X, where...