Why not? The Washington Post and other papers routinely pick up a story from the AP or Reuters and print it word for word in their papers. That is the purpose of AP and Reuters, they act as a super reporter for all newspapers tha subscribe to their service. Subscribing papers are then able to publish AP stories word for word. This is not like the Washington Post quoting a NYT article. They are publishing the same article word for word.
Please read the whole thread.