US on track to break record for tornadoes (AP)

An aerial view of a residential neighborhood in Parkersburg, Iowa, is seen a day after a tornado struck the town, Monday, May 26, 2008. This year is already the deadliest for tornadoes since 1998 and is on track to break records for the number of twisters too, the National Weather Service says. (AP Photo/Kevin Sanders) AP - Another week, another rumbling train of tornadoes that obliterates entire city blocks, smashing homes to their foundations and killing people even as they cower in their basements.