Terry Gross

The cyber attack at Google's Chinese headquarters in December highlighted vulnerabilities in US network security. James Lewis, author of Securing Cyberspace in the 44th Presidency explains why terrorists see the Internet as the next frontier and how the Obama administration is responding.

Attorney General Eric Holder has come under fire, mostly from the Republican side of the aisle, for the decision to try Sept. 11 mastermind Khalid Sheikh Mohammed in a civilian court — and for the handling of "underwear bomber" Umar Abdulmutallab after his arrest. New Yorker journalist Jane Mayer looks at growing partisan differences about national security.

Attorney David Dow has spent his career representing inmates who have been sentenced to death. Despite his efforts, many of his clients have been executed — and most of them were guilty. In his new memoir, The Autobiography of an Execution, Dow details what it's like to become emotionally involved with the people living on death row.