The mobility of people, especially from the Global South, is going to be scrutinised and regulated, but it won't have much bearing on state-to-state relations, unfortunately.

The collision, deadliest aviation disaster in the US since 2001, happened when American Airlines Flight 5342 collided with the Army helicopter as it approached the airport on Wednesday night.

U.S. military Black Hawk helicopters, like the one involved in a fatal collision with a passenger jet near Washington D.C. Jan. 29, are stati･･･ ...