Veterinarian Christopher Roberts, D.V.M. of Craig Road Animal Hospital in North West Las Vegas explains how a common canine treat can be dangerous. By Christopher Roberts, DVM We all love a little treat now and then, and so do our dogs. As many of you are aware, peanut butter is a healthy and safe snack for your fur baby. But did you know that some peanut butters can also be life threatening to him? Xylitol is becoming an increasingly popular sugar…