The White House says it may take legal action after the Wikileaks website published hundreds of secret memos sent by US embassies. <br /><br />The messages reveal growing concern over Iran's nuclear ambitions, with Saudi Arabia pushing the US to act. <br /><br />There are also unflattering remarks about the leaders of America's European allies, and apparent suspicion of the UN.<br /><br />Al Jazeera's Mike Hanna reports Washington.
