By James Oliphant and Gram Slattery ATKINSON, New Hampshire (Reuters) – Donald Trump’s schedule on Wednesday summed up the unprecedented nature of this year’s election: spend the day in court fighting a defamation case and the evening rallying supporters in his bid to become the next U.S. president. That is how the former president, the frontrunner for the 2024 Republican nomination and the world’s most famous defendant, has chosen to divide his time this week as he pursues his political comeback. Trump was not obliged to be in the federal courtroom in Manhattan, where a judge warned him he co…