The doctrine balances predictable law against fixing decisions a current court believes were wrongly decided.
How readily a court overturns precedent shapes public perception of whether law follows principle or politics.
Lower courts must follow higher-court rulings; the Supreme Court generally follows its own.
Courts weigh whether a precedent is workable, deeply relied upon, and consistent with related rulings before discarding it.
Judicial review is the power American courts use to decide whether a law or government action violates the Constitution.
Read the guide →Some states allow independent commissions to draw voting district maps instead of elected politicians. Supporters say it reduces partisan bias. Critics argue it removes accountability from elected representatives.
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