Can you stretch to the ceiling? Can you stretch to the floor? You can stretch with a whisper, you can stretch with a roar! Doreen Cronin and Scott Menchin give new meaning to the yoga pose downward facing dog as publishing’s most energetic pooch explores the many, many ways a kid can get limber. More than simple toe touching, this pup stretches to ride a breeze, grab a snack from a tree, catc…