https://www.washingtonpost.com/news/morning-mix/wp/2016/01/28/how-ronald-reagan-explained-the-challenger-disaster-to-the-world-its-all-part-of-taking-a-chance/ available without registration or pay.
Thanks for the better link.
I too was at work, in the process of leaving a job I really liked in favor of one I hoped would be even better (as it turned out to be). And emotion-filled day.