FROM CNN's Jack Cafferty: In case you needed it, here's yet another sign of just how bad the economy is: [cnn-photo-caption image=http://i2.cdn.turner.com/cnn/2011/images/08/03/art.mexican.jpg caption=""] Illegal aliens are leaving the United States and returning to Mexico in search of a better life. You heard that right. One Mexican official tells the Sacramento Bee that Mexico has "become … Continue reading Illegal aliens leaving U.S., returning to Mexico for better life?