The conventional wisdom is that rewrites usually fail: https://en.wikipedia.org/wiki/The_Mythical_Man-Month#The_second-system_effect http://www.joelonsoft

The conventional wisdom is that rewrites usually fail: https://en.wikipedia.org/wiki/The_Mythical_Man-Month#The_second-system_effect http://www.joelonsoftware.com/articles/fog0000000069.html This article has some specifics on the rewrite of healthcare.gov: http://www.fastcodesign.com/3047856/innovation-by-design/meet-nava-a-startup-that-wants-to-fix-the-governments-crappy-design http://www.fastcodesign.com/3047856/innovation-by-design/mee...