Arms crossed, scowl set, President-elect Donald J. Trump avoided jail, but became a felon. Mr. Trump appeared virtually at his criminal sentencing on Friday from his Mar-a-Lago estate in Florida, more than 1,000 miles away from the chilly Manhattan courtroom where his case was called for a final time. Projected on a 60-inch screen, his image loomed over the gallery as a prosecutor recounted his crimes and a judge imposed his sentence. Mr. Trump once faced up to four years in prison for falsifying business records to cover up a sex scandal, but on Friday, he received only a so-called...