10 Communication Secrets of Great Leaders. This article from Forbes Magazine discusses many communication strategies that leaders should possess to make the largest impact. Poor communication skills are problem behaviors that need to be extinguished.
Show respect even to people who dont deserve it, not as a reflection of their character, but as a reflection of yours -from Lifehacker, quoting Dave Willis. I really need to remember this because I think I show weakness when I do this, but I shouldn't.