Syria

Assad's track record indicates that he will likely continue challenging the chemical redline, and that additional strikes and other pressures may be necessary to deter him from doing so.

As the Trump administration decides whether to pursue a limited military response, it should use existing international legal mechanisms to pressure Damascus and Moscow right away.

The latest regime attack has once again shown that any effort to confront the Islamic State in Syria must also confront Assad.

For the past three years, the Islamic State has held Raqqa, the capital of its self-proclaimed caliphate. But lately, both the U.S.-backed, Kurdish-based Syrian Democratic Forces and the Turkish-backed Euphrates Shield forces have stated their intention to take Raqqa, raising complex questions about future governance in eastern Syria. Whatever the

Preventing and countering violent extremism is not a soft alternative to counterterrorism, but an essential toolkit to complement law enforcement's ongoing efforts to prevent violence.

Defeating today’s decentralized jihadi threat means treating the soil in which the weeds grow, not pulling them out one by one.

At a time when Russia is firmly in the Syrian driver's seat and Assad shows no sign of going away, brokering a deal to establish a humanitarian buffer area would be one way to address Washington and Amman's pressing concerns about ongoing refugee flows.

Many Hezbollah fighters believe their Iranian supervisor in Syria views them as easily replaceable Arab cannon fodder, and the resultant tension is generating disillusionment about Tehran's claims of pan-Shiite unity.

An updated look at the immediate military issues and longer-term 'day after' concerns that the Trump administration should focus on as the campaign to retake Mosul continues.