Fannie Mae’s delay in releasing its 2012 earnings underscores the sharp turnaround in the con-servatorships of the two government-sponsored enterprises, which lately have begun spewing earnings like the good old days.Freddie Mac, which managed to get its reporting done on time, recorded a whopping $16.0 bil-lion in net income last year, and there’s widespread speculation that Fannie Mae will beat that mark with room to spare.