Health care transformation is starting to move from the realm of concept to reality. One example is a platform called care.ai, which brings together virtual care and artificial intelligence to create “smart hospitals” and “smart care teams.” It's already in action at such luminary health care providers as Vanderbilt University Medical Center in Nashville and Henry Ford Health in Detroit — and coming soon to Nemours Children’s Health. care.ai President Bruce Brandes and Nemours Children’s...