Why is there controversy over mortgage fees?

Loan-level pricing adjustments are the government's way of raising prices for so-called "riskier" borrowers without putting a penalty on "safer" ones.
| Lauren Magarino and Emily Sen
In January, the Federal Housing Finance Agency announced a change in the pricing models for new government-backed mortgages.
That change went into effect in May, but not without stirring plenty of controversy.
The policy changes something called...