A supremely rare, multimillion-dollar Koenigsegg CCXR Special Edition originally built for the Qatari royal family was wrecked in Mexico City over the weekend, according to witness accounts and photos posted on social media. Pictures show the 249-mph hypercar at a dead stop on the side of the Paseo de la Reforma, a major avenue that crosses the middle of Mexico's capital, immobilized by heavy front-end damage. Jagged, gaping holes can be seen in the carbon fiber bodywork. One of the rear wheels sits tilted at a grotesque angle. Curious onlookers gather round and stare at the car like a crashed...