An "upside down" home loan means you owe more on the house than what it's worth. Houses lose value for a variety of reasons, including because of recessions and declines in the home-buying industry. People who may have paid inflated prices for their homes --- often with little money down --- are among the most likely to become victims of upside-down loans. The "Los Angeles Times" reported in 2010 that millions of people around the country --- including many in California --- were struggling with upside-down mortgages. According to the "Times,"...