 NBC News Radio. I'm Michael Kastner. Donald Trump is officially the Republican Party's nominee for president in his first major speech since a failed assassination attempt. Trump described in detail the moment a shooter opened fire on him in Pennsylvania. The former president went on to call for an end to political division and urged Americans to unite. Earlier, pro-wrestling great Hulk Hogan spoke. All you scumbags, all you drug dealers, and all you crooked politicians need to answer one question, brother.