It’s a dream, but the images are sharp as daylight. I’m on one of our well-traveled byways, nearing a crosswalk on Summerfield Road. Shenzi is about six feet out on her leash, and she inexplicably ambles out into the road a few feet before I am there, disregarding all her training. I pull back on the leash and she is a little slow to respond. Then I see cars are dangerously closer and she is still out a few feet on the roadway. Now I pull more emphatically on the leash, but Shenzi, again inexplicably, digs in. I easily overpower her, but…