US President Donald Trump arrives to deliver remarks at the 2020 Council for National Policy Meeting at the Ritz Carlton in Pentagon City in Arlington, Virginia on August 21, 2020. (Photo by Nicholas Kamm / AFP) (Photo by NICHOLAS KAMM/AFP via Getty NEW YORK (AP) - President Donald Trump will try to reintroduce himself — and his party — to voters this week at the Republican National Convention.It will be no easy task.Over the last four years, the GOP has been fundamentally redefined by the instinct, attitude and social media posts of the most divisive president in the modern era.