Task: Categorize the tweet's emotional expression, classifying it as either 'neutral or no emotion' or as one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that reflect the tweeter's state of mind.
Tweet: @88Palouseriver @ABC @NRA I rejoice everything time some moron is taken out of the genetics pool.
This tweet contains emotions: 
anger, joy, optimism