Final answer:
The political cartoon in question conveys the message that Republican-appointed judges dominate the Supreme Court and are repealing gerrymandering.
Step-by-step explanation:
The best description of the message in the political cartoon is option c) Republican-appointed judges dominate the Supreme Court and are repealing gerrymandering. The cartoon is likely referencing the current composition of the Supreme Court and their decisions on gerrymandering cases. It suggests that Republican-appointed judges have a significant influence on these rulings.