Could Most People Write in Antiquity?

I am ready now to discuss in a couple of posts the issue of whether Jesus’ brother James actually wrote the book of James, or if it was someone else wanting his readers to *think* it was him.   To make sense of what I want to say about it at the outset (it will take a couple of posts), I’ve decided I need to re-post an old post on a broader and even more interesting question: who actually *could* write back then?  Today most anyone can (just, well, check out the Internet!).  But who could in,...