Mr. Gruber has spent decades modeling the intricacies of the health care ecosystem, which involves making predictions about how new laws will play out based on past experience and economic theory. Read the Article>

Health care was supposed to be Mitt Romney’s Achilles’ heel: The state overhaul he championed as governor of Massachusetts is so similar to the sweeping federal law conservatives deride as “Obamacare” that it was once widely regarded as a big enough liability to doom his presidential chances.

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Mitt Romney does not brag about it much these days, but almost six years since he signed healthcare reform into law as governor of Massachusetts, his plan to require residents to buy health insurance has largely been a success. Read the Article>

If the law that Republican opponents call "Obamacare" survives, "Romneycare" will stand in the history books as a guidepost for it, hardly the first time a state has served as a laboratory for national social policy. Read the Article>

The pro-Rick Santorum Red, White, and Blue Fund super-PAC made a $310,000 television ad buy in Illinois attacking Mitt Romney on healthcare and the economy. Read the Article>

Opinion by Sally C. Pipes Read the Article>

Opinion by Jordan Weissmann Read the Article>

In newly released research, Charles Courtemanche and Daniela Zapata ask perhaps the most important question about the Massachusetts health-care reforms: Did they improve health outcomes in Massachusetts?

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In newly released research, Charles Courtemanche and Daniela Zapata ask perhaps the most important question about the Massachusetts health-care reforms: Did they improve health outcomes in Massachusetts? Read the Article>

Alexandra Mangione went to Catholic schools from kindergarten through high school and now attends Boston College. “I go to church. I believe in God,’’ says Mangione, a 20-year-old sophomore at the Catholic college. She also believes in birth control.

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