VIENNA, Austria (AP) -- Experts from the FBI, Scotland Yard and international civil aviation agencies met Friday on how to secure airports against shoulder-fired rockets that terrorists are trying to acquire. The closed-door talks at the Vienna headquarters of the Organization for Security and Cooperation in Europe examined how to minimize the threat. "We know that al-Qaida has these weapons, we know that they've used them, and we know that they'll use them again," said Brian Woo, head of the OSCE's anti-terrorism unit. The experts declined to discuss specific measures being taken to safeguard airports and airliners, but credited tighter...