<br /> In an interview with The Guardian, Robert De Niro referred to Donald Trump as a "real racist" and "white supremacist.”<br />The comments represent De Niro's harshest denunciation of the president thus far.<br />According to Business Insider, De Niro tends to refrain from public commentary but has been a vocal critic of the president.<br />In October, De Niro was one of many public figures who was sent a pipe bomb by an extreme Trump supporter. <br />
