Don't use the editorial we. It is old-fashioned. Say The Detroit News.
Don't refer to the Darwinian theory or to Dr. Osler's theory without knowing what they mean.
Don't call a revolver a gun or a pistol a revolver. It is automatic pistol.
Reporters frequently quote Kipling to the effect that west is west, east is east, and never the twain shall meet. But if they knew the poem, they would be aware of the fact that the next line qualifies the quoted lines and vitiates the observation.
The exception proves the rule is a phrase that arises from ignorance, though common to good writers. The original word was preuves, which did not mean proves but tests.
Say in bad condition, not in bad shape.
A toga was a garment worn by a Roman citizen. The word is persistently misused to refer to senatorial honors.
Avoid newspaper slang. To all but a few of our readers the word story means not an item of news in the paper but a piece of fiction. To speak of a story meaning a piece for the paper is to confuse them. Say article or item.
Don't write alright. There is no such word in the language.
Avoid poetic forms. Do not use amongst for among. Thither and whither have a bookish sound. Prefer the simple while to the fancy whilst.