Dr. David Stewart discusses many aspects of Cancer that he feels need to be changed to make more progress in the field. He also discusses the importance of genetic testing before putting patients into clinical trials. Dr. Stewart is a professor of medicine and head of division of medical oncology at the University of Ottawa. He was previously professor and deputy chair of Thoracic Head and Neck Medical Oncology at the University of Texas MD Anderson Hospital. He has 270 peer reviewed publications and edited the textbook Lung Cancer: Prevention, Management, and Emerging Therapies Published in 2010.