Hillary Clinton has arrived at her first campaign stop, completing the 965 mile trip from Chappaqua, New York to Le Claire, Iowa in about two days time. Her choice of transportation? A Secret Service owned and operated van. The van, however, isn't an everyday minivan or even a full-sized van. It's a luxury vehicle outiftted with top amenities. Specifically: It's a limited edition Chevrolet Express van upfitted with a Limited SE packed by Explorer Vans company "It's very luxurious," a salesman who helped deliver this vehicle tells me on the phone. "I'd rank it up there with the best." The...