Increasingly, Twitter is becoming a long-form medium. It’s not just the 140 vs. 280 character thing, but with the use of threads, writers can present rather extensive essays. Every once in awhile I find threads which I think are worthy of being preserved somewhere more permanent. The writer may have envisioned something temporary — a kind of Snapchat prose — but the words deserve greater attention. So as we’ve done before — Skye Jethani, Mark Clark, Sheila Wray Gregoire, Steve…