 But the end of the trial could also signal a prisoner swap is in the works. This is CBS News. Dr. Marty's Nature's Blend is free stride dog food. Save up to 54% off your first order, plus a free bag of Cod Krispies. They're wild-caught cod skin treats. Text DOGS to 511-511. Text fees may apply. Hi, I'm Cesar Millan. People are always commenting on how healthy my dogs are. One of the reasons is the food my dogs eat.