It has been five years since the Affordable Care Act, better known as ObamaCare, was signed into law. The disastrous rollout of the federal marketplace website, Healthcare.gov, is well-known. According to a Bloomberg Government analysis released in September 2014, the cost of Healthcare.gov was more than $2 billion, more than twice the Obama administration’s estimates. Appropriately, the federal marketplace has been a subject of numerous congressional hearings.

But state-run websites have also squandered hundreds of millions of federal tax dollars. While the House Committee on Oversight and Government Reform has been investigating some of the problems with state-run websites, much more can and should be done. Every House and Senate committee that oversees healthcare issues should carefully examine the roles played by the Centers for Medicare and Medicaid Services (CMS), state officials and contractors in the design and implementation of the websites.