I can fix this. U.S. Policy should be:
1. Bomb sniffing mass spectrometers
2. Issue everybody over the age of 18 a 18” bowie knife when they board the airplane. Return it when you disembark.
3. Announce that mecca and medina will be nuked if we have a terrorist hijacking or any kind of airline attack by a muslim. We need to mean it also.
No need for further measures.
As to your #3...
Obama: “I will stand with the Muslims should the political winds shift in an ugly direction.”