No guns please, we're liberals . . . As soon as today's "Good Morning America" began to tease an upcoming how-to segment on protecting against home invasion, I immediately suspected the show wouldn't discuss one obvious measure: obtaining fireams and learning how to use them. And sure enough . . . GMA ran the segment in the wake of the horrific home-invasion in Connecticut in which the the wife and two daughters of a prominent doctor were killed and the man badly beaten. An expert was brought in to discuss various measures, and Chris Cuomo added some suggestions of his...