(Volunteers collect water and milk for resident after a tornado in Henryville, Ind., Sunday, March 4, 2012. Calm weather gave dazed residents of storm-wracked towns a respite on Sunday as they dug out from a chain of tornadoes that cut a swath of destruction from the Midwest to the Gulf of Mexico, killing at least 39 people. (AP Photo/Nam Y. Huh))
