There are no serious solutions for the safety of all. If someone wants to kill large numbers of people, no one can stop them. Guns, explosives, trucks and cars into crowds, arson in a crowded building.....It's sarcasm!
How many tragedies do we have suffer through before we sit down like adults and talk about serious solutions for the safety of all?
Read my post above...
Terrorists, or the deranged, will always find a way to accomplish their goals. With intelligence gathering and a public forever on alert, we will stop some of it, but solutions will escape our grasp.