Letter: If only we had a phone that doubled as a gun

As we have progressed from using rock, club, hatchet, knife, sword, to pistol — which the National Rifle Association advises everyone should pack, along with our cellphone — we are becoming physically encumbered. It is a real nuisance.Since new pistols will be made of plastic (to evade pesky magnetometers), why not combine pistol and phone into one device?Apple could, say, get together with Smith and Wesson and establish a new company (how about Banana?) and make phones available fro