Last weekend, I invited my son and daughter-in-law to a barbecue at our Connecticut house. I also invited Tobin, their 50lb pit bull mix. Problem: they live in Brooklyn, use only public transportation and worry, as most childless couples do, about leaving their dog alone. Adding to the conundrum, the New York metro system recently banned animals not fitting into a tote bag from traveling on subways, buses and commuter … Read More