Bangladesh, Sept. 1 -- Bangladesh, a nation of over 170 million people, is quietly spiraling toward an ominous black hole, with every passing day bringing it closer to becoming one of the gravest security threats in South Asia – and potentially the wider world. Since the ouster of Prime Minister Sheikh Hasina, the interim government led by Muhammad Yunus has plunged the country into chaos, economic disintegration, and rising Islamist militancy.

When Yunus assumed power, he promised democratic reforms, protection of human rights, freedom of the press, and the restoration of the rule of law. Instead, what followed has been a stunning reversal. The countrys economy is now in crisis, radical Islamist groups are resurging, and a dangero...