Gov. Bob McDonnell (R-Va.) has long been on almost everyone's short list for the Republican vice presidential nomination. But now McDonnell's national security credentials have come into question, thanks to his mishandling of a bill passed by the Virginia General Assembly.

Our national security would be better served if the United States captured al-Asiri and kept him alive for questioning, so we can find out what he knows.

The news that al Qaeda in the Arabian Peninsula nearly blew up a US aircraft last week is a reminder of its continuing strength.

The anniversary of Osama bin Laden’s death last week focused attention briefly on the continued threat posed by al Qaeda Central. But what about al Qaeda's franchises elsewhere, like al Shabaab in Somalia? The viability of the threat these groups pose to the U.S. deserves more careful consideration than it has received.

It is quite telling that if President Obama had to construct a strategy for defeat, it would not differ from what he and his aides describe as America’s way forward.

American assistance programs aimed at helping Yemen build and maintain counterterrorism forces will not suffice in the face of a real and growing al Qaeda-affiliated insurgency.

The United States has reportedly offered a plea deal to Majid Khan — a hardened al-Qaeda terrorist and close associate of Khalid Sheikh Mohammed — that could see him released from Guantanamo Bay within a few years.

Giving this killer a reduced sentence is outrageous. Khan is no run-of-the-mill terrorist. He...

Yemenis voted on Tuesday February 21st, and after thirty-three years of authoritarian rule, Ali Abdullah Saleh was replaced as head of state by current Vice President Abdurabu Mansur Hadi. It remains to be seen whether the winner of this one-man contest will cooperate with the United States on counter-terrorism.

Al Qaeda in the Arabian Peninsula (AQAP) has expanded its areas of control in Yemen. The Critical Threats Project has mapped out the locations of AQAP attacks between 2007 and 2011 to reveal this trend.

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.