Leonard Pitts: Donald Trump knows how to put on a show

We are watching a show. It’s important to keep that in mind.It has its villains — Mayor Lori Lightfoot of Chicago, Mayor Ted Wheeler of Portland and other supporters of the “liberal, radical left”idea that people have the right peaceably to assemble and to petition the government for a redress of grievances.It has its victims, people in towns where they don't have or need symphony orchestras and art museums and the very idea of street protests fills them with existential