In today's episode, Christian Esguerra talks about President Rodrigo Duterte's statement that his promise during the 2016 presidential election campaign about riding a jet ski to Scarborough Shoal, and hang a flag there to stake our claim was "just a joke," and that those who believed him back then were "stupid." How do we determine if the President is joking and when he is not, especially in matters of foreign policy and especially this late in his administration?