March 11, 2014 -- Updated 0128 GMT (0928 HKT)
Pilot Bill Palmer says the investigation of what happened to Malaysia Airlines Flight 370 will be long and complicated
Peter Bergen says wild theories often flourish after a passenger jet disaster; it's best to wait for an investigation.
David Wheeler says embarrassing and out-of-context Web ads are affecting nearly everyone who uses the Internet.
President Putin's endgame in Crimea is now clear—and the West has only a few days to act, writes Daniel Treisman
On the news
Aaron David Miller