Final answer:
The reference to an Eastern European man living in Justice Kennedy's brain metaphorically suggests the influence of varied perspectives on his legal decisions. The phrase is a humorous way to signify someone's significant influence on another's thoughts.
Step-by-step explanation:
The podcast reference to an Eastern European man living in Justice Kennedy's brain is likely a metaphorical or humorous way to discuss the influence of certain ideas or perspectives on Justice Kennedy's decisions or viewpoints. The notion of someone 'living in someone's brain' is colloquial for saying that person holds significant sway over the other's thoughts or actions. As Justice Anthony Kennedy was a pivotal swing vote on the U.S. Supreme Court, often his decisions seemed to carry the implication of being influenced by diverse schools of thought, hence the humorous hyperbole. The reference to an Eastern European man living in Justice Kennedy's brain metaphorically suggests the influence of varied perspectives on his legal decisions. The phrase is a humorous way to signify someone's significant influence on another's thoughts.