Hoover Institution fellow Markos Kounalakis discusses President Obama's speech in response to the San Bernardino attacks.

The downing of a Russian jet by NATO ally Turkey on its Syrian border two weeks ago may have resulted in the beginning of a significant, comprehensive Russian policy shift toward Turkey, and it is likely that the estrangement between the two countries will continue even if the tension over the jet is eased.

Hoover Institution fellows Abbas Milani and Joseph Felter discuss the most effective ways to combat the Islamic State, whether our current strategies are effective, and the potential of a wider-scale war.

Turkey often appeals to the West for support, given its longtime membership in NATO. Now, Turkish leadership is in a shouting match with Russia's provocative president, Vladimir Putin, over Turkey's downing of a Russian jet in probable Turkish airspace.