BBC NewsMore than four million PCs have been enrolled in a botnet security experts say is almost 'indestructible' The botnet, known as TDL, targets Windows PCs and tries hard to avoid detection and even harder to shut down. Code that hijacks a PC h… more »

By the CNN Wire Staff (CNN) -- A tornado flattened buildings, snapped trees and tossed tractor-trailers like toys as it touched down in Joplin, Missouri, on Sunday night, causing an unknown number of deaths and injuries. "I would say 75% of the town… more »