After weeks of diplomatic effort, China was nowhere to be found in the negotiation of a temporary ceasefire between Israel and Hamas. Is this a failure on the part of Chinese diplomacy, or does it simply reflect Beijing's more limited objectives? Has Chinese diplomacy really been harmed in any way? This week with Guy Burton, expert on Middle East Policy and author of the book "China and Middle East Conflicts: Responding to War and Rivalry from the Cold War to the Present."