Threatening storm clouds approach areas already damaged by an earlier tornado on Friday, March. 2, 2012, in Athens, Ala. Powerful storms stretching from the U.S. Gulf Coast to the Great Lakes in the north wrecked two small towns, killed at least three people and bred anxiety across a wide swath of the country on Friday, in the second deadly tornado outbreak this week. (AP Photo/Butch Dill) ORG XMIT: ALBD108
