Source?

esa, passed in 1973. sceloporus arenicolus proposed as a candidate species in '82, removed from candidacy in '85, proposed again in '94, candidate listing mechanism changed in '96 removing arenicolus from candidacy without a new review of status, proposed again in '01, '02 dept. of interior sued for not substantively justifying reasons not to list, court orders review of status, '04 dept of interior publishes review, stating that listing is justified, but is precluded by higher priority candidates, '10 proposed for listing as endangered, '12 not listed as part of a conservation agreement between dept of interior and and private and state interests.
obama plays a long game, fortunately he was able to defeat himself.