Here's something the data doesn't tell you: minivans have never been better. Minivans are nowhere near as popular as they were at the end of the 20th century. Sales have plummeted from 1.3 million in 2000, to 306,000 last year. But the four that stream out of showrooms today—the Honda Odyssey, Toyota Sienna, Kia Sedona, and Chrysler...