With minivans once again growing in popularity, there are a lot of new choices on the market today—but only one earned a place among the 2011 Top Safety Picks chosen by the Insurance Institute for Highway Safety (IIHS): That was the all-new Toyota Sienna. Only vehicles that offer electronic stability control and score the highest possible marks in the IIHS’ front, side, rear and rollover crash evaluations earn the award, so this is no small honor for Toyota’s “Swagger Wagon.” But it is further evidence of Toyota’s renewed dedication to customer safety, which also includes making the company’s Star Safety System a standard feature on the...