Over the years I’ve learned that it’s absolutely fine to disagree with your boss — as long as you know when to speak up and how to do it. Remember: It’s not about what you say, but how you say it.  This wasn’t always the case though. When I first started working, I thought it was better to keep my opinions to myself — even if I felt that my manager was wrong, or didn’t have all the necessary information to make a decision.  I’ve also — as I’m sure you have too —  witnessed several heated discussions between colleagues and…

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