deadliest tornado in some 60 years, ever since they started tracking tornadoes in the united states. they've also announced that the tornado that destroyed so much of joplin was an ef-5. that means the wind speeds were above 200 miles an hour. tornadoes with a double dose of terror. the missouri town of joplin is in ruins but vows to recover and rise again even as violent tornadoes touching down right now in oklahoma. more of the breaking news right after this. [ male announcer ] in 2011, at&t is at work, building up our wireless network all across america. we're adding new cell sites... increasing network capacity, and investing billions of dollars to improve your wireless network experience. from a single phone call to the most advanced data download, we're covering more people in more places than ever before in an effort to give you the best network possible. at&t. rethink possible. ♪