US President Joe Biden arrived in South Korea on Friday and visited a semiconductor plant to highlight economic ties between the US and South Korea. Biden will meet with leaders from Japan, Australia and India on this trip. And the one country that's probably highest on the agenda is China. The White House seeks to rally its most important allies in Asia to send a message to China, warning Beijing not to even think about bullying its neighbors. Host Carol Hills speaks with The World's Southeast Asia correspondent Patrick Winn.