Why the public reaction to one man's brutal murder could push Britain to become a stronger ally in the fight against the Islamic State.
Meet Omar: A 43-year-old, well-educated hospital director in Fallujah. Does Iraq have any hope for reconciliation if men like this support the Islamic State?
The president is desperate not to go it alone against the Islamic State, but he may not have any choice.
Why President Obama's war cry doesn’t quite measure up to his predecessors'.
The president is right to be wary of putting troops on the ground in Iraq. But he’s wrong to rule it out.
By limiting U.S. goals in Iraq and Syria, the president makes less likely the exit he so desperately wants.
The United States has been raining bombs on Iraq -- and Syria might be next. But data show it's going to take more than planes to knock the Islamic State off its perch.
Americans think the president lacks "toughness." But does showing strength really matter?
How to make ricin, Semtex, and banana mousse.
The president is about to present a strategy for destroying the Islamic State. Too bad it can't be done.
The havoc wrought by the Islamic State extends far beyond Iraq and Syria.
The threat of British jihadists can't be an excuse for the country to abandon its foundational principles.
Buried in a Dell computer captured in Syria are lessons for making bubonic plague bombs and missives on using weapons of mass destruction.
5 reasons why an expanded mission to strike James Foley's killers in Syria won't work. And why it's going to happen anyway.