By Daniel Indiviglio
Student loans in the United States have surged to $900 billion from $360 billion in just seven years. Even as the U.S. housing bubble inflated between 1999 and the start of 2006, mortgage balances didn’t grow that fast. The bursting of that bubble triggered the worst recession since the Great Depression. Sure, the numbers were considerably larger. But there’s enough student debt to cause trouble – more than auto loans or credit card debt, for example.