On Foreign Entanglements, Matt and Rob talk Syria, credibility, and the developing conflict within the GOP over foreign policy. Matt runs down the latest developments on Syria, leading to a discussion of how reputation and credibility matter in international politics. Is Israel legitimately concerned about US credibility regarding Iran? Rob wonders whether Russia has really put its credibility on the line by taking responsibility for Syrian chemical weapons. Matt sees the same old hawks using credibility as an excuse for another war, and the two discuss how the Rand Paul–John McCain fight may be playing out in the think tank world. Finally, is isolationism making a comeback?