NEW YORK (AP) -- With its official-looking BBC News banner, the Web site looked real enough, but the sick tale it told seemed too preposterous to be true. "Lion Mutilates 42 Midgets in Cambodian Ring-Fight," blared the headline. An article followed about a circus-like spectacle that went awry and resulted in many deaths. The page was a hoax, but it exploded across the Internet. Soon it was being...