A reader received a curious item in the mail the other day: A four-page advertising brochure touting ObamaCare. "Obamacare is working," the cover announces: "NOW IT'S UP TO YOU." Below that exhortation is a photo of the president grinning as broadly as a Pepsodent pitchman.

The purpose of the ad is not just to promote ObamaCare but to urge California's lawmakers to "finish the job for the millions of Californians who won't be covered, many because of their immigration status." The ad features...