NEW YORK — Robert Hadden’s sentencing was adjourned Monday after a lengthy day of arguments, in which a judge indicated he was planning to sentence the disgraced ex-Columbia University gynecologist to 20 years. U.S. District Judge Richard Berman pushed back the proceeding due to outstanding objections from both sides, making Hadden’s sentencing a three-day affair. It started on June 28 when Berman invited victims to address the court. “The nature and circumstances factor overwhelmingly in my opinion supporting an upward variance of 20 years,” the judge said, noting Hadden hadn’t “remotely” add...