Assistant U.S. Attorney Gregory Gruber, urging the court to accept the plea, said Sommer had proved himself "a very dangerous person who needs to be locked up for a very long time." The additional two decades in prison are all because "he wanted to be known in the system as a big shot, someone not to be messed with," Gruber said.

I imagine that at that age and at the beginning of a couple decade stretch there isn't much perceivable difference between two decades and four decades ...