Clad all in black, she strode solemnly around the stage as she spoke, like a preacher giving a sermon. In a stunt that made for brilliant theater, she pulled a nanotainer out of her jacket pocket midway through and held it up to illustrate how little blood Theranos’s tests required. Calling the fear of needles “one of the basic human fears, up there with the fear of spiders and the fear of heights,” she then told other touching anecdotes. One was about a little girl who got stuck repeatedly with a syringe by a hospital nurse who couldn’t find her vein. Another was about cancer patients whose
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