US presidential candidate Kamala Harris rallied supporters on Tuesday, urging them to reject the chaos and division she associates with Donald Trump as the US election campaign reaches its climax. Speaking at a large rally in the heart of Washington, just south of the White House, the Democratic candidate painted former US president Trump as “unstable,” claiming he is “obsessed with revenge, consumed with grievance, and out for unchecked power.” The current US vice president said Trump has spent the past decade dividing the American people and instilling fear among them. “It is time to turn th…