OUTSOURCING WAR - In Iraq, contractors handle as much as 30% of essential military support services. In particular, KBR, a unit of Halliburton -- Dick Cheney's old company -- Has become a key to the U.S. effort. But unlike soldiers, KBR employees can say no at any time -- And they have, causing soldiers to go without fresh food, showers, and toilets for months. Are U.S. troops being exposed to ...