DEAR BILLY:
My 1-year-old puppy, “Duke,” is super-active and loves the snow. Just walking him around the block isn’t enough to dispel his energy, so I’d like to take him on a hike each week. Do you think he’s ready for it at this age? -- Billy in Claremont, New HampshireAt a year old, Duke is ready for short hikes. Depending on his breed, size and tolerance for cold, he may be able to hand...