The pickup, introduced to the roads more than a century ago, was conceived to be the smallest possible get-the-job-done truck. Now International Truck and Engine has taken that concept and, oxymoronically, developed the world's biggest smallest truck -- the CXT. Such a feat is the equivalent of creating the world's shortest skyscraper, quietest fire alarm, slowest jet, driest swimming pool. The new CXT from International is hu-freakin-mongous. This bad boy is nine feet tall. It's got thigh-high tires, and two running boards up to the cab, and door handles you have to stretch for. When the bed gate folds down...