Let’s be honest. Barack Obama is the SEIU president. Without that union’s support early on, he would have faded faster than Mike Gravel in 2008. So the SEIU-backed May Day celebration — this year’s theme: ARIZONAZI — reflects on the president. Oddly enough, on May Day, President Obama lectured Americans from the bully pulpit of a commencement speech with a warning not to speak out against the government: “When our government is spoken of as some menacing, threatening foreign entity, it ignores the fact that in our democracy, government is us.” As Nancy Pelosi put it last summer, it is...