Iran war stokes concerns Taiwan could be left exposed

The war in Iran is raising concerns in Taiwan about US bandwidth, and whether the Pentagon can fight in the Middle East while deterring China. Cheng Li-wun, the combative chair of Taiwan's main opposition party, arrived in China today on a visit aimed at bolstering ties to the mainland. From the capital Taipei, William Yang, a senior analyst with International Crisis Group, discusses the implications with The World's Host Marco Werman.