Terry Gross

Omar Khadr has been held at Guantanamo Bay for eight years. He is accused of killing an American soldier in Afghanistan at age 15. A pretrial hearing for Khadr started last month, and journalist Spencer Ackerman says it's likely to indicate whether President Obama's changes to the military commissions are substantive or simply cosmetic.

Drinking didn't stop in the United States from 1920 to 1933 -- it just went underground. Author Daniel Okrent discusses the lasting cultural and political impact of Prohibition in his new book, Last Call.

Journalist Howard Fischer has been covering Arizona state government since 1982. He joins Fresh Air to discuss Arizona's controversial immigration law and other recent bills passed in the state, including one that allows Arizona's citizens to carry concealed weapons without a permit.