The 41st president who is 94 years old uses an electric scooter or a wheelchair to get around after he developed a form of Parkinson's disease. He was also recently discharged from the hospital, the AP reported. His wife of 73 years, Barbara Bush, died in April, the AP reported.
Sully, who was trained by America's VetDogs, will help Bush pick up items, open doors and can call for help, USAToday reported. He has two pages worth of commands, CNN reported.