The Federal Housing Finance Agency expects to finish its latest assessment of principal reductions on Fannie Mae and Freddie Mac loans sometime this month against a backdrop of intensifying public debate over the issue. The Treasury Department this week fought back against claims that its proposed incentive payments to the government-sponsored enterprises, if they agree to principal reduction loan mods, would be a “backdoor bailout” for banks that service these loans. Treasury earlier this year offered to pay the GSEs the same incentives that other investors get for principal reduction loan mods under...