Admins should be able to see articles that are still in draft form on the user's Knowledge Base page - seeing the article where it will be published gives a much better sense of what it will look like than in the current squashed column. My work flow would then be as follows: one browser tab open with the edit window and one tab with the KB page. Every time I make edits I save them, change to the KB tab and refresh to see what it looks like.