He's already signaling that he could use the appearance to portray himself as the victim of a politicized justice system. Though there's no evidence that President Joe Biden has had any influence on the case, Trump's argument could resonate with Republican voters in Iowa as they prepare to launch the presidential nomination process. “Of course I was entitled, as President of the United States and Commander in Chief, to Immunity,” he wrote in a social media post, adding, “I was looking for voter fraud, and finding it, which is my obligation to do, and otherwise running our Country.”