Here are CNN's “trade secrets” to take great photos so you will be published by CNN. This is a summary, the full document is available as a PDF at: CNN Trade Secrets. The same “trade secrets” are also at: CNN Trade Secrets with the “trade secrets” to shooting great videos and recording great audio.

By the way, it's not me who calls it “trade secrets”, it's CNN.

Now you know everything you need to know to become a photojournalist.