...The segment is scheduled for an initial broadcast from 8 to 9 p.m. May 21 on the CNBC cable network, said Sharon Crowell-Davis, Ms. Gerstenfeld's major professor at the university. The footage will be part of the final 15-minute segment...

...blood on its snout. While unusual, such behavior from domesticated dogs is not unheard of, according to Dr. Sharon Crowell-Davis, a veterinary behaviorist at the University of Georgia. Such an occurrence can depend on a number of factors...