Love your tag line.
http://indiancountrytodaymedianetwork.com/2012/05/14/elizabeth-warrens-genealogical-challenge-113019
According to Lenzy Krehbiel-Burton, deputy executive director for Cherokee Nation Communications, even if that marriage license said O.C. Sarah Smith was Cherokee, it alone would be insufficient. Warren would have to have an ancestor on the Dawes Rolls and then show state-certified documentation, like birth or death certificates, that she is related to that person, to be eligible for citizenship.