Jill Biden, wearing a purple blazer and scribbling on a white legal pad, sat in the first row of a drab fourth-floor courtroom on Monday, in a show of support for her son, Hunter, on the first day of his trial on federal firearms charges. The first lady, who followed hours of mundane interviews with dozens of prospective jurors before the panel was selected on Monday afternoon, rose to her feet when the judge called a short break about halfway through. She walked slowly over to her son, offered a long hug, then stroked his cheek. The opening hours of jury selection in Mr. Biden’s trial on charges that he lied about his drug use in applying to buy a handgun in 2018 were, as expected, a high-stakes political spectacle — with a throng of reporters crowding the courthouse while TV crews did live shots, nearly nonstop, after sunrise. But the presence of Mr. Biden’s family and friends, including his wife, Melissa Cohen Biden, his half sister, Ashley Biden, and his close friend Kevin Morris, served as a reminder that the trial was also a profound personal crisis for a family that has had more than its share of travails — in the middle of the most unforgiving presidential campaign in recent memory.

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Persons: Jill Biden, Hunter, Biden’s, Melissa Cohen Biden, Ashley Biden, Kevin Morris