Korea Society President Thomas Byrne speaks to Bloomberg Daybreak Asia about the economic relationship between the US and Korea, describing the conditions leading up to the agreement in principle on revisions to the bilateral free trade deal known as KORUS. "The closing sentence [of the joint statement] was that the important progress has made based on the strong and enduring security relationship. My own take is that the security relationship has a very stable center of gravity, and the relationship won't capsize. However, there could be these cross-currents as President Trump reacts to contingencies.