About 5.1 million mortgage holders (or roughly 10% of Americans with mortgages) will own homes that are worth 75% or less than what they owe on their mortgages by mid-June. This is the conclusion of a new study by First American CoreLogic given exclusively to The New York Times. One of the firm’s senior economists, Sam Khater, told the paper, “People’s emotional attachment to their... 

As many Americans begin to realize that it will be many years (if not decades) before their houses are worth what they owe on them, the idea of walking away from your mortgage is going mainstream. Not surprisingly, the mortgage industry is doing everything it can to prevent this, including telling homeowners that they have a “moral obligation” to pay. But do they? Is it okay to walk away...