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: .@RepDelBene: 'Today's proceedings and the entire process is an insult to our constituents.'
This tweet contains emotions: 
anger, disgust