Piles of splintered wood is all that remains of homes in Henryville, Ind., Friday, March 2, 2012, in Marysville, Ind. Powerful storms stretching from the Gulf Coast to the Great Lakes flattened buildings in several states, wrecked two Indiana towns and bred anxiety across a wide swath of the country in the second powerful tornado outbreak this week. (AP Photo/The Courier-Journal, Michael Clevenger)