How did the San Jose National High School shooters--aged 14 and 15--get a hold of firearms in the first place?That's the crucial question on the mind of former House quad-committee (quad-comm) overall chairman, Robert Ace Barbers when it comes to the deadly June 22 school shooting that shocked Tacloban City and the rest of the country.“We must ask a difficult but necessary question: How are minors getting hold of firearms in the first place? Whe…