Last night, President Joe Biden delivered the best State of the Union address I’ve heard in my lifetime. He turned what is usually a boring exercise in partisan clapping and mutual back-patting into a riveting combination pep rally, poetry slam and real-time legislative session. I was entranced the entire 72 minutes. I laughed. I cried. I yelled “sick burn.” Even Speaker Kevin McCarthy nodded along to half of what Mr. Biden had to say. Joe Cool was bipartisan. He appealed to Middle America. He handled his hecklers with a million-watt smile. He looked and sounded like Presidents do in the...