Universities need to be watched very closely by security intelligence. Here is an clip from an interaction between David Horowitz (not a fan, BTW) and a Muslim student from UCSD. The exchange all seems very reasonable until the very end, and the answer she gives is chilling.
This is not some poor Arab pulled off the streets and brainwashed by a terrorist organization. This is an educated and intelligent American citizen. We need to be very careful about danger in our own back yard.