This is probably an idealized list, since I have spent three years as a newspaper editor and had to train three years worth of new students.
Editors have the final say in everything related to newspaper, period.
Second, no smoking or other questionable activities are allowed in the darkroom. Third, you should know how to turn the computer on and at least do something of some use with it. Fourth, learn how to use the spell checker on said computers. Fifth, you should be able to deal with criticism. Just because the editor has a personal vendetta against you doesn't mean that he or she doesn't have a good reason to censor your article.