does arizona need less restrictive gun laws to prevent gun violence?

[Spock]

So according to Dakota, carrying a concealed weapon isn't for self protection, its some thing much much more. A concealed weapon is a magic talisman that gives you the courage to tackle any situation bare-handed.

Did anyone bother to ask the other brave folk who tackled the shooter what magic talismans they were carrying, swiss army knife, Livestrong wristband, car keys, anything?