Ukraine Plane Crash: Roulette in the Sky

Why did Iran not ground flights as its air space became a war zone? And why would a missile battery be so close an international airport? Those are just a couple of the questions surrounding the crash of Ukrainian International Airlines Flight PS752.How the Hell Do You Shoot Down a Passenger Jet by Accident?Well over 1,000 people flew out of Tehran on the night when Iran launched its cruise missile attack on U.S. bases in Iraq early Wednesday morning local time, and they were on exactly the same