My guess is that Corey will not do the actual prosecution she will hand it to a subordinate prosecutor. If she does, judging by her press conference, she will be eaten alive in the courtroom and act like a clown outside of it for the press. Marcia Clark X2.
Judging how giddy she was when she announced the charges, I doubt she will be able to resist being in the courtroom. Maybe she will get Nifonged. :-)