Is the S-300 a game-changer?
The S-300 is the most widely talked about weapon in the news these days, and one of the most elusive. Russian President Vladimir Putin says his country has not delivered it to Syria. Israel warned both countries that such a move would cross their red line.
Lt. Col. Anthony Shaffer, senior fellow with the Center for Advanced Defense Studies, discussed the S-300 hype and other top defense issues with Capital Insider.