Beginning in 2017, states will be able to apply for waivers for flexibility in implementing many of the Affordable Care Act's key requirements— an opportunity that some see as a catalyst for health reform. The promise of broad flexibility under such waivers could be particularly appealing to states that have been reluctant to back the ACA and its requirements. In fact, some stakeholders argue that such waivers should be made available as early as this year so states can begin making progress. However, not everyone is as enthusiastic.