Pharaoh appoints Joseph to be his second-in-command after Joseph's skilful interpretation of his dreams. (Gen. 41:37-41) Specifically, the interpretation is that seven years of famine will follow seven years of plenty. It is amazing to note, however, that Pharaoh appoints Joseph before his interpretations are proven true! Joseph might have been the biggest con-man in history, and had seven years of plum living before he'd need to devise another scheme! He was given power over all Egypt, answerable only to Pharaoh, for a prediction that would not be proven true for seven years!
Now that's a talent I'd like to have.