We climb inside Duet's monstrous SUV, its heart pulsing to life the moment she touches the steering wheel. I feel the whole thing shaking slightly from the added weight of the metal panels and try to quiet my sudden nerves. Duet knows what she's doing, I have no doubt. But it doesn't mean what she's created won't just fly apart under stressful circumstances. I strap in, not sure what kind of a driver she is, wondering as I settle into the passenger's seat if letting her take the ...