The latest unofficial nominee purportedly under White House consideration to replace the Federal Housing Finance Agencys acting head is far from a shoo-in, but industry observers say that Moodys Analytics Chief Economist Mark Zandi is the most credible candidate yet who could not only clear Senate confirmation but also advance final reform of the government-sponsored enterprises. Zandi would neither confirm nor deny to Inside Mortgage Finance this week that hes being considered by the Obama administration to replace FHFA Acting Director Ed DeMarco as the agencys permanent director. However, sources say...