The ongoing uncertainty about the future of Fannie Mae and Freddie Mac is weighing on the mortgage industry and it’s only going to get worse with time, said the former head of the Federal Housing Finance Agency this week. Edward DeMarco, now a senior fellow in residence for the Milken Institute’s Center for Financial Markets, warned that with the government in effective control of the mortgage market, the risk grows of capital allocation and pricing decisions made through the prism of political calculation rather than due to sound, market driven principle.