How should al Qaeda terrorist suspects held in Western detention be brought to justice? In his new book, "Justice and the Enemy" (PublicAffairs, 2012), British author William Shawcross describes how the lessons of the past can direct us in confronting our enemies today.

The new government in Yemen has extracted several of former President Ali Abdullah Saleh’s cronies from the country’s power structure, including demotion of Saleh’s half-brother Mohammed al Ahmar and nephew Tareq Mohammed Saleh, the former heads of the Air Force and Presidential Guard, respectively.

Yemeni President Ali Abdullah Saleh placed family members in critical positions throughout Yemen’s security forces. This graphic shows his family network.

We should praise the Obama administration, the CIA and especially our armed forces for the operation that killed Osama bin Laden. But we should not forget what made the operation possible: President Bush's counterterrorism policies.

The Obama administration is standing by a brief filed by the Bush administration in a case in the war on terrorism, rebuffing its most left-wing supporters.

President Obama says that he has "complete confidence" in Attorney General Eric Holder. That's good news for Republicans. Pick almost any unnecessary, losing battle in Obama's first term, and his hapless attorney general is at the center of it.

Attorney General Eric Holder should reconsider the logic of holding civilian trials for Guantánamo detainees.