Actions of a person improvidently seated are found to be VALID using a de facto officer doctrine. There is no unwinding the past, that would be chaotic, counterproductive, bad for all of us, etc.
Lawyer on birther lawsuit BREAKING! Cruz “Birther” Suit Attorney Suspended From
Practice?
http://www.behindenemylinesradio.us/2016/01/breaking-cruz-birther-suit-attorney.html
Cruz is ELIGIBLE to run for President
http://www.factcheck.org/2015/03/ted-cruzs-presidential-eligibility/
Minor vs Happersett binding precedent to Constitution on Natural Born Citizen
https://naturalborncitizen.wordpress.com/2011/06/24/minor-v-happersett-is-binding-precedent-as-to-the-constitutional-definition-of-a-natural-born-citizen/