tragedy. they can inspire us literally to reach for the moon. they can encourage us to appeal to our better angels, to our better nature, but they can also unleash the deepest darkest forces in this nation. and that's what i believe donald trump has chosen to do. >> in one paragraph joe biden covered years of offenses by donald trump. >> when trump announced he was running for president he called mexicans rapists. days before the mid-term he fomented fears of a caravan heading to the united states. more recently he called an american, a major american city a disgusting rat infected rodent mess. no human being, he said, would choose to live as though the