Prison overcrowding has become such a problem nationwide that the Obama administration is making a move to rein it in.

Today in San Francisco, Attorney General Eric Holder will tell the American Bar Association how his department plans to reduce sentences for low-level and non-violent drug offenders.

What would this mean for California, which has the largest prison population in the nation?

With more is Keramet Reiter, assistant professor of criminology at the University of California, Irvine.