W.R. Grace & Co. lost its bid to the Supreme Court to get out from under a $54 million bill to clean up asbestos in the Montana mining town of Libby on Tuesday. The court also turned down the case of a former guard at a Nazi slave camp suffering from Alzheimer's disease and opted not to take up an abortion question. The case pits Grace, which operated a vermiculite mine in Libby for 27 years, against the Environmental Protection Agency, which oversees the federal Superfund program for the nation's worst hazardous waste sites. Grace argued in court papers that EPA had no authority to hand the company the entire bill, as well as responsibility for future costs, for eliminating asbestos-contaminated soil in Libby. The 9th Circuit U.S. Court of Appeals and a federal district judge sided with EPA, which sued Grace in 2001 to recover cleanup costs....