Two avowed New Jersey racists have been charged with trying to build a fertilizer bomb similar to the device that blew up in Oklahoma City, authorities said yesterday. Gabriel Carafa of Pennsville, N.J., and Craig Orler of Whiting, N.J., allegedly gave a federal informant 60 pounds of a fertilizer component and asked him to build a bomb. "Carafa boasted that this urea was more pure than the stuff that [Timothy] McVeigh used," authorities said in court papers. McVeigh was executed for his role in bombing a federal building in Oklahoma City. Convicted of beating a Hindu store owner in 2002,...