As thousands rally against the prime minister, we ask if the country is entering a new chapter of political instability. Inside Story, with presenter Jane Dutton, is joined by guests: Kriengsak Chareonwongsak, a senior fellow at Harvard University and a former member of Parliament for the Democrat party; Rajiv Biswas, the Asia Pacific chief economist for IHS Global Insight; and Supong Limtanakool, a chairman of strategic studies at Bangkok University.