How did I live to be this old before realizing what fabulous television this is? I dropped the dogs off this morning to be cleaned up — it’s been a long winter and they were shaggy and dirty — and Barb, the dog groomer, mentioned that tonight was the sporting dog division (as my boys were, uncharacteristically, sitting and being attentive). So this afternoon, I checked out the USA network, and last night’s dog show was on during the afternoon. Who knew? I LOVE the dog show. The dogs are so fabulous (although the handlers, as a group, need a…