I've only just started at the paper and they don't let me do much yet. Copy-editing, that sort of thing.
Newspaper management needs to be aware of the value that copy editing brings to newspapers and to readers.
You write your blog, reread it, rewrite it, maybe show it to someone else for some copy editing and then post it.
We sometimes have to deal with authors who object to the publisher's copy editing.
Contributors should generally review the copy editing of their own articles.