(Motley Fool) Over the past year and a half, famed activist investor Bill Ackman has built a massive long position in two of the most derided companies in the U.S.: Fannie Mae and Freddie Mac .
These two government-sponsored entities were central to the subprime mortgage crisis and housing collapse that spurred the Great Recession. Why is Ackman so confident these two mortgage giants are worth an investment today, just a few short years after the crisis? Read on to find out.