Task: Classify the mental state of the tweeter based on the tweet, determining if it is 'neutral or no emotion' or characterized by any of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: .@PreetBharara's Twitter barbs are both insightful and delightful to read; hell hath no fury like a crusading prosecutor scorned
This tweet contains emotions: 
anticipation, joy, optimism