"If you can't say something nice about someone, don't say anything at all."
But in business, we are often put in situations where this is just not possible. We come across backstabbers, thieves, liars, jerks, jackasses, fools, clowns, and twits all the time.
A passing comment at lunch about a former collegue. A request for a reference. Situations that place you in an uncomfortable position. Do you lie and say something nice? Do you say nothing at...