How to say "I don't know" (and not feel defensive or stupid)

As brilliant as we all are – yeah, I said it, homie – sometimes, we have to say that we don’t know an answer to something. This oh-so-vulnerable moment comes up in meetings, during news interviews or job interviews, and sometimes in the middle of heated conversations.

So, how do you actually say, “I don’t know,” without feeling like a jerk? All it takes is a little “STEP”…here’s how: