BNSF Railway says it didn’t know about asbestos that’s killed hundreds in Montana town

HELENA, Mont. — BNSF Railway attorneys are expected to argue before jurors Friday that the railroad should not be held liable for the lung cancer deaths of two former residents of an asbestos-contaminated Montana town, one of the deadliest sites in the federal Superfund pollution program.Attorneys for the Warren Buffett-owned company say the railroad’s corporate predecessors didn’t know the vermiculite it hauled over decades from a nearby mine was filled with hazardous microscopic asbestos…