May was chockfull of news coming out of Việt Nam. Obama made history, a giant dead mammal mystified, and a political prisoner pledges to go on hunger strike until death. From the GEM center, Sài Gòn, up the central coast to Vinh, Nghệ An, Loa’s Nguyễn Linh Chi covers the latest hotspots and news you need to know this month.