How convenient. Joe Biden’s niece will have her day in court after she was busted on drugged-driving charges in Pennsylvania, with an arraignment set for Nov. 4 — one day after the presidential election. Caroline Biden, 33, the daughter of Joe’s brother James Biden, was arrested in Lower Merion Township, Pa., in August 2019. The DUI case has been slowly moving through the courts. The Nov. 4 arraignment ensures that the Biden bust will be kept in a deep freeze until after voters in the swing state and around the country go to polls. “I find it unusual that it...