So-called "puppy lemon laws" may be adopted by more states to protect dog lovers. Families who unknowingly take home puppies that are sick or have hidden birth defects often end up with heartache and high vet bills. The 17 states that currently enforce the lemon laws make breeders provide unhappy pet owners with a full refund, a new dog, or vet-bill reimbursement. For more on this story, click here.