The US has the highest incarceration rate in the world, but efforts to reduce the prison population have long been locked in political debate.
Now, that may be changing, according to recent statements from top Republican leaders.
Both Republicans and Democrats are showing a willingness to alter tough sentencing laws that have been in place for decades.
Earlier this month, President Obama put out a call to reform the criminal justice system and now Republican House Speaker John Boehner has joined him.
For more, we're joined by Stephen Raphael, professor of public policy at the University of California, Berkeley and an expert in prison sentencing.