Why are so many people talking about two escapist, engrossing TV dramas that let us slip away from our reality for an hour each week? Is it just that this kind of complex, big-budget television show is so rare these days? Columnists Drew Goins, Molly Roberts and Monica Hesse talk about the valley on the other side of “peak tv” — and how sometimes you just need shows you can watch while folding laundry.