国家安全

Secret prisons reflect a parallel legal system for prisoners who are denied access to communications, deprived of their due process rights, and hidden from public scrutiny. Investigative journalist and TED Fellow Will Potter explains.

When taxpayer money goes to companies with murky ownership, it may put lives in danger and support shady actors. The watchdog group Global Witness shows what can happen when a government ends up working with anonymous companies.

加利福尼亚州全境陷入严重干旱，资深消防员讲述一线实况；国家安全局前局长就《秘密合众国》纪录片作出回应；惠特尼博物馆双年展因种族与性别争议引发艺术家集体退展风波。