Task: Identify the primary emotion conveyed in the tweet and assign it to either 'neutral or no emotion' or one or more of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best capture the tweeter's mental state.
Tweet: He totally knew about it'. Trump finally gets revenge for his son-in-law's prosecution/imprisonment and throws Christie under the bus.
This tweet contains emotions: 
anger