Why are South Korean doctors on mass walkout?

①China has refuted false accusations in a U.S. report on China's WTO compliance. We take a deeper look at China's economic model and trade practices. (00:44) ②Negotiations on a potential ceasefire between Israel and Hamas will continue in Qatar and Egypt. What are the biggest obstacles to reaching a final agreement? (13:33) ③China experienced a rise in newly funded foreign companies in January. (23:18) ④New analysis shows China has biggest diplomatic footprint in the world, just ahead of the US. (32:51) ⑤What are the reasons behind the doctors' strike in South Korea that has created chaos in hospitals? (50:23)