Sen. Patrick Leahy is calling on the Justice Department to state its position on marijuana's legal status. Here, a man inspects a shirt depicting the U.S. flag made of marijuana symbols, at a medical marijuana show in Los Angeles earlier this year. Robyn Beck/AFP/Getty Images hide caption

itoggle caption Robyn Beck/AFP/Getty Images

FBI Director Robert Mueller testifies on Capitol Hill in June. J. Scott Applewhite/AP hide caption

itoggle caption J. Scott Applewhite/AP

Attorney General Eric Holder is calling for significant changes to the way the nation deals with convicted criminals. And he's not alone. Evan Vucci/AP hide caption

itoggle caption Evan Vucci/AP