Laura Hudson hugs her cocker spaniel Nala after the dog was rescued from their home that was destroyed by a tornado in Pleasant Grove, Alabama, April 29, 2011. President Barack Obama promised federal aid on Friday to the tornado-ravaged U.S. South after he got a close-up look at the "heartbreaking" impact of deadly twisters that occurred on April 27, killing at least 310 people. REUTERS/Tami Chappell (UNITED STATES - Tags: DISASTER ENVIRONMENT SOCIETY POLITICS ANIMALS)