The death of Theranos has been long coming ever since the WSJ’ John Carreyrou did a phenomenal job, starting about one year ago, of exposing the fraud that is Clinton Global Initiative-darling Elizabeth Holmes, but as of this evening it is largely official. In an “open letter” just posted on the company’s website, Holmes said Theranos would shut down its blood-testing clinical labs and fire 340 of approximately 790 full time employees, roughly 40% of its entire workforce.