Even though minimum sentencing guidelines have been set aside (see US. v. Booker), it's going to be very tough for the judge to sentence him to less than 50 years, considering the advisory guidelines will suggest something north of a 100 years.
At 62, I don't see a political come-back in Mr. Jefferson's future, unless he makes like Lazarus, which is doubtfull - at best.
I’ll believe it when I see it.