It’s hard to keep track of what, exactly, the newly elected Republican congressman George Santos has said about his own life. His story changes and contradicts itself; his lies seem indiscriminate, and largely ad hoc. He says he worked at Citigroup and Goldman Sachs, which he didn’t. He said he graduated from Baruch College – he didn’t do that, either. Some of his fabrications are so trivial and specific that it’s impossible to ascribe a nefarious motive to them. What could Santos possibly have to gain, for instance, by claiming, as he apparently did to a local Republican party leader,...