[applause] I bet you weren't expecting Martha. This face has trained generations of clinicians. It's motionless. It's always ready.It never panics. It doesn't sweat. It doesn't breathe.Sometimes it blinks, but she can't wink. And that's kind of the problem, isn't it. Because the first real day on the job doesn't look like a lab. The real first day on a job looks like a human being looking at you saying, "I can't breathe." Not I have asthma or I'm in heart failure or this is anaphilaxis.It's just I can't bre ...