Pentagon officials have a mantra when it comes to taking on the Islamic State, also known as ISIS and ISIL: The US military may be able to use American weapons to blunt the advance of IS, but any lasting change will have to come through political reform.
Faced with a balky Congress that is unwilling to move his agenda or compromise on most matters, President Obama says he has no choice but to use executive power. House Speaker John Boehner plans to sue. Here are our picks for Mr. Obama’s most controversial uses of executive power:
Pentagon analysts are grappling with what this growing unrest in the Middle East means for US national security. Here are the top three ways the advance of the insurgent group the Islamic State in Iraq and violence in Gaza could endanger US national security.