- The Lessons of Obamacare: What Republicans Should Have learned, but Haven't VOX by Sarah Kliff and Ezra Klein—We are reporters who have covered health care, and the legislative ideas that became the Affordable Care Act (ACA), since before Obama's election. In the course of that reporting, including recent conversations with Obama and dozens of elected officials and staffers responsible for the ACA's design, passage, and implementation, we have unearthed several lessons from the law, which current and future health reformers should heed.