Officials with organizations that lobby for safe roads and tough drunken driving laws yesterday criticized the District's zero-tolerance policy toward drinking and driving, saying that they'd never heard of it and that limited police resources should be devoted to those more obviously drunk. Even D.C. Council member Carol Schwartz (R-At Large), who has sponsored legislation to lower the legal limit for drunken driving, said she was not aware that police officers are arresting drivers who have as little as .01 percent blood alcohol content -- less than from drinking a glass of wine or beer -- in their systems. Nor...