Compensation for top executives at both Fannie Mae and Freddie Mac will be cut by nearly three-fourths with no bonuses paid out in 2012 under a new plan rolled out by the Federal Housing Finance Agency late this week. The FHFA’s 2012 Executive Compensation Program reduces top executive pay by nearly 75 percent since conservatorship, eliminates bonuses and sets a target for new CEO pay at $500,000. …