It's been a year and a half since the military in Myanmar launched a coup, deposed the democratically elected government and restored a dictatorship. And today, an ominous move towards further repression amid countrywide upheaval with the execution by hanging of four pro-democracy activists. Lindsey Hilsum of Independent Television News reports. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders