At Tuesday’s State of the Union, Democrats set themselves up as angry foils to basic civics and feel-good American patriotism. In the most made-for-TV of many made-for-TV moments in Tuesday night’s State of the Union address, President Donald Trump urged every member of Congress to “stand up and show your support” for the statement: “The first duty of the American government is to protect American citizens, not illegal aliens.” Cameras panned to show nearly the entire left-hand side of the chamber awkwardly remaining in their seats. After two minutes of Republican cheering and Democrat scowling, Trump suggested that Democrats should...