DEAR MISS MANNERS: I have a co-worker who consistently spreads misinformation in order to get out of doing her job. She often makes up policies that don’t exist to try to trick other departments into doing her work (even when that means the work gets done incorrectly by people not trained for it). In the past, I’ve tried printing out policies and coming to her with physical evidence that what she’s saying is not true, but she gets very aggressive and always has an excuse for why she shouldn’t have to do her fair share of work. Since we work in the same department, it makes my job much more dif…