As a senior commander in the Tehrik-e-Taliban Pakistan, Qari Hussain Mehsud has built a ruthless image around the training and indoctrination of suicide bombers and may be connected to the May 1 attempted bombing in Times Square.

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...

It went virtually unnoticed (and unreported by this newspaper), but last week a federal court found the government of Iran liable for the 1998 bombings of the U.S. embassies in Kenya and Tanzania.

If it was indeed al Shabaab that trained the Boko Haram militants, then Somalia has become a training center as well as a safe haven for radical Islamist groups. This new role means that al Shabaab is something more than simply an insurgent group; it is also an enabler in al Qaeda’s "far" war against the West and its allies.

The fight against terrorism is no closer to success today than it was a decade ago when, in the wake of the September 11 terror attacks, President George W. Bush declared a Global War on Terrorism.

Obama's supporters may say America's influence is in decline, but it need not be: Libyans seek U.S. assistance.

For Pakistan, founded as a homeland for all Indian Muslims, the Sunni-Shiite divide is an awkward subject that many would rather ignore. But the rest of the world needs to pay more attention to this conflict.

Looking back over the decade, the first clear lesson is the critical importance of Mr. Bush's decision to consider the struggle with al Qaeda a war.