We Texans love to wax sentimental about our armadillos. In Gary P. Nunn’s song, the chorus intones: “I want to go home with the armadillo, good country music from Amarillo and Abilene…” and throw in the Texas Hill Country, too! I love “dillers”. They are little dim bulbs that snuffle and grouse. You will hear them, but they don’t hear …