More severe weather forecast in Midwest as Iowa residents clean up tornado damage

The skies were blue and the wind was blowing as residents of the small city of Greenfield, Iowa, worked to clean up two days after a destructive tornado ripped apart more than 100 homes in just one minute, took the lives of four residents and injured at least 35 more.

All along the mile-long swath Thursday was the deafening clamor of heavy equipment scooping up the splintered homes, smashed vehicles and shredded trees. But on either side of that path, picturesque houses and lawns seem untouched, and one might be hard-pressed to believe a