U.S. intelligence officials say al-Qaida has turned its terror sights to a sea jihad, targeting Western luxury liners and aircraft carriers. The Brisbane Courier-Mail reports owners of the world's largest cruise ship – the recently launched $1.3 billion Queen Mary 2 – confirmed terror threats hang over its maiden voyage slated for early next year. The paper reports U.S. intelligence officials also found evidence Osama bin Laden's terror network planned to attack the British aircraft carrier Ark Royal as it passed through the Gibraltar Straits en route to the Iraq theater of war earlier this year. WorldNetDaily exclusively reported Sept....